diff --git a/src/routes/Player/SubtitlesMenu/SubtitleVariant/SubtitleVariant.less b/src/routes/Player/SubtitlesMenu/SubtitleVariant/SubtitleVariant.less
index 600b79658..b2901d7f1 100644
--- a/src/routes/Player/SubtitlesMenu/SubtitleVariant/SubtitleVariant.less
+++ b/src/routes/Player/SubtitlesMenu/SubtitleVariant/SubtitleVariant.less
@@ -48,6 +48,16 @@
         margin-left: 1rem;
         background-color: var(--secondary-accent-color);
     }
+
+    .secondary-icon {
+        flex: none;
+        width: 0.5rem;
+        height: 0.5rem;
+        border-radius: 100%;
+        margin-left: 1rem;
+        border: 2px solid var(--secondary-accent-color);
+        background-color: transparent;
+    }
 }
 
 .context-menu-option {
diff --git a/src/routes/Player/SubtitlesMenu/SubtitlesMenu.js b/src/routes/Player/SubtitlesMenu/SubtitlesMenu.js
index a71969bd5..57baf0fe1 100644
--- a/src/routes/Player/SubtitlesMenu/SubtitlesMenu.js
+++ b/src/routes/Player/SubtitlesMenu/SubtitlesMenu.js
@@ -75,6 +75,18 @@ const SubtitlesMenu = React.memo(React.forwardRef((props, ref) => {
                 :
                 null;
     }, [subtitlesTracks, extraSubtitlesTracks, props.selectedSubtitlesTrackId, props.selectedExtraSubtitlesTrackId]);
+    const selectedSecondarySubtitlesLanguage = React.useMemo(() => {
+        return typeof props.selectedSecondarySubtitlesTrackId === 'string' ?
+            allSubtitles
+                .reduce((selected, { id, lang }) => {
+                    if (id === props.selectedSecondarySubtitlesTrackId) {
+                        return lang;
+                    }
+                    return selected;
+                }, null)
+            :
+            null;
+    }, [allSubtitles, props.selectedSecondarySubtitlesTrackId]);
     const subtitlesTracksForLanguage = React.useMemo(() => {
         const tracks = allSubtitles.filter(({ lang }) => lang === selectedSubtitlesLanguage);
         return sortByValues(tracks, ORIGIN_PRIORITIES);
@@ -153,6 +165,41 @@ const SubtitlesMenu = React.memo(React.forwardRef((props, ref) => {
             }
         }
     }, [props.selectedSubtitlesTrackId, props.selectedExtraSubtitlesTrackId, props.subtitlesOffset, props.extraSubtitlesOffset, props.onSubtitlesOffsetChanged, props.onExtraSubtitlesOffsetChanged]);
+
+    // Secondary subtitle support (desktop-only via ShellVideo/mpv)
+    const hasPrimary = typeof props.selectedSubtitlesTrackId === 'string' ||
+        typeof props.selectedExtraSubtitlesTrackId === 'string';
+    const showSecondarySection = hasPrimary && props.isShellActive &&
+        typeof props.onSecondarySubtitlesTrackSelected === 'function';
+
+    const secondaryLanguages = React.useMemo(() => {
+        return subtitlesLanguages.filter((lang) => lang !== selectedSubtitlesLanguage);
+    }, [subtitlesLanguages, selectedSubtitlesLanguage]);
+
+    const secondaryLanguageOnClick = React.useCallback((event) => {
+        const lang = event.currentTarget.dataset.lang;
+        // OFF button has no data-lang
+        if (!lang) {
+            if (typeof props.onSecondarySubtitlesTrackSelected === 'function') {
+                props.onSecondarySubtitlesTrackSelected(null);
+            }
+            return;
+        }
+
+        if (lang === selectedSecondarySubtitlesLanguage) {
+            // Deselect secondary if clicking the already-selected one
+            if (typeof props.onSecondarySubtitlesTrackSelected === 'function') {
+                props.onSecondarySubtitlesTrackSelected(null);
+            }
+            return;
+        }
+
+        const tracks = allSubtitles.filter(({ lang: tLang }) => tLang === lang);
+        const track = sortByValues(tracks, ORIGIN_PRIORITIES).shift();
+        if (track && typeof props.onSecondarySubtitlesTrackSelected === 'function') {
+            props.onSecondarySubtitlesTrackSelected(track);
+        }
+    }, [allSubtitles, selectedSecondarySubtitlesLanguage, props.onSecondarySubtitlesTrackSelected]);
     return (
         <div ref={ref} className={classnames(props.className, styles['subtitles-menu-container'])} onMouseDown={onMouseDown}>
             <div className={styles['languages-container']}>
@@ -183,6 +230,40 @@ const SubtitlesMenu = React.memo(React.forwardRef((props, ref) => {
                         </Button>
                     ))}
                 </div>
+                {
+                    showSecondarySection && secondaryLanguages.length > 0 ?
+                        <React.Fragment>
+                            <div className={styles['secondary-header']}>{ t('PLAYER_SUBTITLES_SECONDARY', { defaultValue: 'Secondary Subtitle' }) }</div>
+                            <div className={styles['languages-list']}>
+                                <Button title={t('OFF')} className={classnames(styles['language-option'], { 'secondary-selected': selectedSecondarySubtitlesLanguage === null })} onClick={secondaryLanguageOnClick}>
+                                    <div className={styles['language-label']}>{ t('OFF') }</div>
+                                    {
+                                        selectedSecondarySubtitlesLanguage === null ?
+                                            <div className={styles['secondary-icon']} />
+                                            :
+                                            null
+                                    }
+                                </Button>
+                                {secondaryLanguages.map((lang, index) => (
+                                    <Button key={index} title={languages.label(lang)} className={classnames(styles['language-option'], { 'secondary-selected': selectedSecondarySubtitlesLanguage === lang })} data-lang={lang} onClick={secondaryLanguageOnClick}>
+                                        <div className={styles['language-label']}>
+                                            {
+                                                lang === 'local' ? t('LOCAL') : languages.label(lang)
+                                            }
+                                        </div>
+                                        {
+                                            selectedSecondarySubtitlesLanguage === lang ?
+                                                <div className={styles['secondary-icon']} />
+                                                :
+                                                null
+                                        }
+                                    </Button>
+                                ))}
+                            </div>
+                        </React.Fragment>
+                        :
+                        null
+                }
             </div>
             <div className={styles['variants-container']}>
                 <div className={styles['variants-header']}>{ t('PLAYER_SUBTITLES_VARIANTS') }</div>
@@ -250,6 +331,7 @@ SubtitlesMenu.displayName = 'MainNavBars';
 
 SubtitlesMenu.propTypes = {
     className: PropTypes.string,
+    isShellActive: PropTypes.bool,
     subtitlesLanguage: PropTypes.string,
     interfaceLanguage: PropTypes.string,
     subtitlesTracks: PropTypes.arrayOf(PropTypes.shape({
@@ -258,6 +340,7 @@ SubtitlesMenu.propTypes = {
         origin: PropTypes.string.isRequired
     })),
     selectedSubtitlesTrackId: PropTypes.string,
+    selectedSecondarySubtitlesTrackId: PropTypes.string,
     subtitlesOffset: PropTypes.number,
     subtitlesSize: PropTypes.number,
     extraSubtitlesTracks: PropTypes.arrayOf(PropTypes.shape({
@@ -276,6 +359,7 @@ SubtitlesMenu.propTypes = {
     extraSubtitlesSize: PropTypes.number,
     onSubtitlesTrackSelected: PropTypes.func,
     onExtraSubtitlesTrackSelected: PropTypes.func,
+    onSecondarySubtitlesTrackSelected: PropTypes.func,
     onSubtitlesOffsetChanged: PropTypes.func,
     onSubtitlesSizeChanged: PropTypes.func,
     onExtraSubtitlesOffsetChanged: PropTypes.func,
diff --git a/src/routes/Player/SubtitlesMenu/styles.less b/src/routes/Player/SubtitlesMenu/styles.less
index b0aa3b051..1f173299c 100644
--- a/src/routes/Player/SubtitlesMenu/styles.less
+++ b/src/routes/Player/SubtitlesMenu/styles.less
@@ -36,10 +36,15 @@
                 margin-bottom: 0.5rem;
                 border-radius: var(--border-radius);
 
-                &:global(.selected), &:hover {
+                &:global(.selected), &:global(.secondary-selected), &:hover {
                     background-color: var(--overlay-color);
                 }
 
+                &:global(.secondary-selected) {
+                    background-color: var(--overlay-color);
+                    opacity: 0.8;
+                }
+
                 .language-label {
                     flex: 1;
                     font-size: 1.1rem;
@@ -56,12 +61,36 @@
                     margin-left: 1rem;
                     background-color: var(--secondary-accent-color);
                 }
+
+                .secondary-icon {
+                    flex: none;
+                    width: 0.5rem;
+                    height: 0.5rem;
+                    border-radius: 100%;
+                    margin-left: 1rem;
+                    border: 2px solid var(--secondary-accent-color);
+                    background-color: transparent;
+                }
             }
         }
     }
 
     .languages-container {
         width: 16rem;
+
+        .secondary-header {
+            flex: none;
+            align-self: stretch;
+            padding: 0.75rem 2rem 0.25rem;
+            font-size: 0.9rem;
+            font-weight: 700;
+            color: var(--color-placeholder-text);
+            text-transform: uppercase;
+            letter-spacing: 0.05em;
+            border-top: 1px solid var(--overlay-color);
+            margin-top: 0.5rem;
+            padding-top: 1rem;
+        }
     }
 
     .variants-container {
diff --git a/src/routes/Player/useSubtitles.d.ts b/src/routes/Player/useSubtitles.d.ts
index 93084e7b2..c8e7fa5a1 100644
--- a/src/routes/Player/useSubtitles.d.ts
+++ b/src/routes/Player/useSubtitles.d.ts
@@ -22,6 +22,7 @@ type VideoSubtitleState = {
     stream: unknown | null,
     subtitlesTracks: SubtitleTrack[],
     selectedSubtitlesTrackId: string | null,
+    selectedSecondarySubtitlesTrackId: string | null,
     subtitlesOffset: number | null,
     subtitlesSize: number | null,
     extraSubtitlesTracks: SubtitleTrack[],
@@ -43,6 +44,7 @@ type VideoController = {
     addLocalSubtitles: (filename: string, buffer: ArrayBuffer) => void,
     setSubtitlesTrack: (id: string | null) => void,
     setExtraSubtitlesTrack: (id: string | null) => void,
+    setSecondarySubtitlesTrack: (id: string | null) => void,
     setSubtitlesDelay: (delay: number) => void,
     setSubtitlesSize: (size: number) => void,
     setSubtitlesOffset: (offset: number) => void,
@@ -63,10 +65,12 @@ type UseSubtitlesArgs = {
 };
 
 type SubtitlesMenuProps = {
+    isShellActive: boolean,
     subtitlesLanguage: string | null,
     interfaceLanguage: string,
     subtitlesTracks: SubtitleTrack[],
     selectedSubtitlesTrackId: string | null,
+    selectedSecondarySubtitlesTrackId: string | null,
     subtitlesOffset: number | null,
     subtitlesSize: number | null,
     extraSubtitlesTracks: SubtitleTrack[],
@@ -76,6 +80,7 @@ type SubtitlesMenuProps = {
     extraSubtitlesSize: number | null,
     onSubtitlesTrackSelected: (track: SubtitleTrack | null) => void,
     onExtraSubtitlesTrackSelected: (track: SubtitleTrack | null) => void,
+    onSecondarySubtitlesTrackSelected: (track: SubtitleTrack | null) => void,
     onSubtitlesOffsetChanged: (offset: number) => void,
     onSubtitlesSizeChanged: (size: number) => void,
     onExtraSubtitlesOffsetChanged: (offset: number) => void,
diff --git a/src/routes/Player/useSubtitles.ts b/src/routes/Player/useSubtitles.ts
index 26de76d74..73a5bf4e4 100644
--- a/src/routes/Player/useSubtitles.ts
+++ b/src/routes/Player/useSubtitles.ts
@@ -2,7 +2,7 @@
 
 import { useCallback, useEffect, useMemo, useRef } from 'react';
 import { useTranslation } from 'react-i18next';
-import { CONSTANTS, languages, onFileDrop, onShortcut, useToast } from 'stremio/common';
+import { CONSTANTS, languages, onFileDrop, onShortcut, usePlatform, useToast } from 'stremio/common';
 
 const withFallbackLabels = (tracks?: SubtitleTrack[] | null): SubtitleTrack[] => {
     if (!Array.isArray(tracks)) {
@@ -47,6 +47,7 @@ const useSubtitles = ({
 }: UseSubtitlesArgs): UseSubtitlesResult => {
     const { t } = useTranslation();
     const toast = useToast();
+    const platform = usePlatform();
     const videoRef = useRef(video);
     const settingsRef = useRef(settings);
     const defaultTrackSelected = useRef(false);
@@ -95,6 +96,7 @@ const useSubtitles = ({
         defaultTrackSelected.current = true;
         video.setSubtitlesTrack(null);
         video.setExtraSubtitlesTrack(null);
+        video.setSecondarySubtitlesTrack(null);
         streamStateChanged({ subtitleTrack: null });
     }, [streamStateChanged, video]);
 
@@ -120,6 +122,16 @@ const useSubtitles = ({
         rememberTrack(track, false);
     }, [disableSubtitles, rememberTrack, video]);
 
+    const selectSecondaryTrack = useCallback((track: SubtitleTrack | null) => {
+        if (!track) {
+            video.setSecondarySubtitlesTrack(null);
+            return;
+        }
+
+        defaultTrackSelected.current = true;
+        video.setSecondarySubtitlesTrack(track.id);
+    }, [video]);
+
     const changeDelay = useCallback((delay: number) => {
         video.setSubtitlesDelay(delay);
         streamStateChanged({ subtitleDelay: delay });
@@ -301,7 +313,8 @@ const useSubtitles = ({
 
     onShortcut('toggleSubtitles', () => {
         const subtitlesEnabled = video.state.selectedSubtitlesTrackId !== null ||
-            video.state.selectedExtraSubtitlesTrackId !== null;
+            video.state.selectedExtraSubtitlesTrackId !== null ||
+            video.state.selectedSecondarySubtitlesTrackId !== null;
 
         if (subtitlesEnabled) {
             if (video.state.selectedSubtitlesTrackId) {
@@ -318,6 +331,7 @@ const useSubtitles = ({
 
             video.setSubtitlesTrack(null);
             video.setExtraSubtitlesTrack(null);
+            video.setSecondarySubtitlesTrack(null);
             return;
         }
 
@@ -332,6 +346,7 @@ const useSubtitles = ({
         player.streamState,
         video.state.selectedExtraSubtitlesTrackId,
         video.state.selectedSubtitlesTrackId,
+        video.state.selectedSecondarySubtitlesTrackId,
     ], !menusOpen);
 
     onShortcut('subtitlesMenu', () => {
@@ -342,10 +357,12 @@ const useSubtitles = ({
     }, [closeMenus, hasTracks, toggleSubtitlesMenu]);
 
     const menuProps = useMemo(() => ({
+        isShellActive: platform.shell.active,
         subtitlesLanguage: settings.subtitlesLanguage,
         interfaceLanguage: settings.interfaceLanguage,
         subtitlesTracks: video.state.subtitlesTracks,
         selectedSubtitlesTrackId: video.state.selectedSubtitlesTrackId,
+        selectedSecondarySubtitlesTrackId: video.state.selectedSecondarySubtitlesTrackId,
         subtitlesOffset: video.state.subtitlesOffset,
         subtitlesSize: video.state.subtitlesSize,
         extraSubtitlesTracks: video.state.extraSubtitlesTracks,
@@ -355,6 +372,7 @@ const useSubtitles = ({
         extraSubtitlesSize: video.state.extraSubtitlesSize,
         onSubtitlesTrackSelected: selectEmbeddedTrack,
         onExtraSubtitlesTrackSelected: selectExtraTrack,
+        onSecondarySubtitlesTrackSelected: selectSecondaryTrack,
         onSubtitlesOffsetChanged: changeOffset,
         onSubtitlesSizeChanged: changeSize,
         onExtraSubtitlesOffsetChanged: changeOffset,
@@ -364,8 +382,10 @@ const useSubtitles = ({
         changeDelay,
         changeOffset,
         changeSize,
+        platform.shell.active,
         selectEmbeddedTrack,
         selectExtraTrack,
+        selectSecondaryTrack,
         settings.interfaceLanguage,
         settings.subtitlesLanguage,
         video.state.extraSubtitlesDelay,
@@ -374,6 +394,7 @@ const useSubtitles = ({
         video.state.extraSubtitlesTracks,
         video.state.selectedExtraSubtitlesTrackId,
         video.state.selectedSubtitlesTrackId,
+        video.state.selectedSecondarySubtitlesTrackId,
         video.state.subtitlesOffset,
         video.state.subtitlesSize,
         video.state.subtitlesTracks,
diff --git a/src/routes/Player/useVideo.js b/src/routes/Player/useVideo.js
index 570888ff1..bc26c79b9 100644
--- a/src/routes/Player/useVideo.js
+++ b/src/routes/Player/useVideo.js
@@ -34,6 +34,7 @@ const useVideo = () => {
         subtitlesOutlineColor: null,
         extraSubtitlesTracks: [],
         selectedExtraSubtitlesTrackId: null,
+        selectedSecondarySubtitlesTrackId: null,
         extraSubtitlesSize: null,
         extraSubtitlesDelay: null,
         extraSubtitlesOffset: null,
@@ -130,6 +131,10 @@ const useVideo = () => {
         setProp('selectedExtraSubtitlesTrackId', id);
     };
 
+    const setSecondarySubtitlesTrack = (id) => {
+        setProp('selectedSecondarySubtitlesTrackId', id);
+    };
+
     const setSubtitlesDelay = (delay) => {
         setProp('extraSubtitlesDelay', delay);
     };
@@ -248,6 +253,7 @@ const useVideo = () => {
         setSubtitlesBackgroundColor,
         setSubtitlesOutlineColor,
         setExtraSubtitlesTrack,
+        setSecondarySubtitlesTrack,
         setVideoScale,
         setFullscreen,
     };