diff --git a/src/components/media/WatchedMediaCard.tsx b/src/components/media/WatchedMediaCard.tsx
index 4d799809..68e43618 100644
--- a/src/components/media/WatchedMediaCard.tsx
+++ b/src/components/media/WatchedMediaCard.tsx
@@ -1,6 +1,6 @@
 import { useMemo } from "react";
 
-import { useProgressStore } from "@/stores/progress";
+import { getProgressPercentage, useProgressStore } from "@/stores/progress";
 import {
   ShowProgressResult,
   shouldShowProgress,
@@ -36,7 +36,10 @@ export function WatchedMediaCard(props: WatchedMediaCardProps) {
     [item],
   );
   const percentage = itemToDisplay?.show
-    ? (itemToDisplay.progress.watched / itemToDisplay.progress.duration) * 100
+    ? getProgressPercentage(
+        itemToDisplay.progress.watched,
+        itemToDisplay.progress.duration,
+      )
     : undefined;
 
   return (
diff --git a/src/components/overlays/detailsModal/components/carousels/EpisodeCarousel.tsx b/src/components/overlays/detailsModal/components/carousels/EpisodeCarousel.tsx
index 7c0f1d2a..b6eeacb6 100644
--- a/src/components/overlays/detailsModal/components/carousels/EpisodeCarousel.tsx
+++ b/src/components/overlays/detailsModal/components/carousels/EpisodeCarousel.tsx
@@ -9,7 +9,7 @@ import { Icon, Icons } from "@/components/Icon";
 import { Modal, ModalCard, useModal } from "@/components/overlays/Modal";
 import { hasAired } from "@/components/player/utils/aired";
 import { useBookmarkStore } from "@/stores/bookmarks";
-import { useProgressStore } from "@/stores/progress";
+import { getProgressPercentage, useProgressStore } from "@/stores/progress";
 
 import { EpisodeCarouselProps } from "../../types";
 
@@ -170,9 +170,10 @@ export function EpisodeCarousel({
         const episodeProgress =
           progress[mediaId.toString()]?.episodes?.[episodeId];
         const percentage = episodeProgress
-          ? (episodeProgress.progress.watched /
-              episodeProgress.progress.duration) *
-            100
+          ? getProgressPercentage(
+              episodeProgress.progress.watched,
+              episodeProgress.progress.duration,
+            )
           : 0;
 
         // If watched (>90%), reset to 0%, otherwise set to 100%
@@ -282,9 +283,10 @@ export function EpisodeCarousel({
         const episodeProgress =
           progress[mediaId?.toString() ?? ""]?.episodes?.[episode.id];
         const percentage = episodeProgress
-          ? (episodeProgress.progress.watched /
-              episodeProgress.progress.duration) *
-            100
+          ? getProgressPercentage(
+              episodeProgress.progress.watched,
+              episodeProgress.progress.duration,
+            )
           : 0;
         const isAired = hasAired(episode.air_date);
         const isWatched = percentage > 90;
@@ -299,9 +301,10 @@ export function EpisodeCarousel({
         const episodeProgress =
           progress[mediaId?.toString() ?? ""]?.episodes?.[episode.id];
         const percentage = episodeProgress
-          ? (episodeProgress.progress.watched /
-              episodeProgress.progress.duration) *
-            100
+          ? getProgressPercentage(
+              episodeProgress.progress.watched,
+              episodeProgress.progress.duration,
+            )
           : 0;
         const isAired = hasAired(episode.air_date);
         const isWatched = percentage > 90;
@@ -378,9 +381,10 @@ export function EpisodeCarousel({
       const episodeProgress =
         progress[mediaId?.toString() ?? ""]?.episodes?.[episode.id];
       const percentage = episodeProgress
-        ? (episodeProgress.progress.watched /
-            episodeProgress.progress.duration) *
-          100
+        ? getProgressPercentage(
+            episodeProgress.progress.watched,
+            episodeProgress.progress.duration,
+          )
         : 0;
       const isAired = hasAired(episode.air_date);
       const isWatched = percentage > 90;
@@ -565,9 +569,10 @@ export function EpisodeCarousel({
                 const episodeProgress =
                   progress[mediaId?.toString() ?? ""]?.episodes?.[episode.id];
                 const percentage = episodeProgress
-                  ? (episodeProgress.progress.watched /
-                      episodeProgress.progress.duration) *
-                    100
+                  ? getProgressPercentage(
+                      episodeProgress.progress.watched,
+                      episodeProgress.progress.duration,
+                    )
                   : 0;
                 const isAired = hasAired(episode.air_date);
                 const isExpanded = expandedEpisodes[episode.id];
diff --git a/src/components/player/atoms/WatchPartyStatus.tsx b/src/components/player/atoms/WatchPartyStatus.tsx
index a4bf3840..5f04ed68 100644
--- a/src/components/player/atoms/WatchPartyStatus.tsx
+++ b/src/components/player/atoms/WatchPartyStatus.tsx
@@ -4,6 +4,7 @@ import { useTranslation } from "react-i18next";
 import { Button } from "@/components/buttons/Button";
 import { Icon, Icons } from "@/components/Icon";
 import { useWatchPartySync } from "@/hooks/useWatchPartySync";
+import { getProgressPercentage } from "@/stores/progress";
 import { useWatchPartyStore } from "@/stores/watchParty";
 
 export function WatchPartyStatus() {
@@ -110,7 +111,7 @@ export function WatchPartyStatus() {
                 </span>
                 <span className="text-type-secondary">
                   {user.player.duration > 0
-                    ? `${Math.floor((user.player.time / user.player.duration) * 100)}%`
+                    ? `${Math.floor(getProgressPercentage(user.player.time, user.player.duration))}%`
                     : `${Math.floor(user.player.time)}s`}
                 </span>
               </div>
diff --git a/src/components/player/atoms/settings/WatchPartyView.tsx b/src/components/player/atoms/settings/WatchPartyView.tsx
index 7434ad83..d10b0eab 100644
--- a/src/components/player/atoms/settings/WatchPartyView.tsx
+++ b/src/components/player/atoms/settings/WatchPartyView.tsx
@@ -13,6 +13,7 @@ import { useBackendUrl } from "@/hooks/auth/useBackendUrl";
 import { useOverlayRouter } from "@/hooks/useOverlayRouter";
 import { useWatchPartySync } from "@/hooks/useWatchPartySync";
 import { useAuthStore } from "@/stores/auth";
+import { getProgressPercentage } from "@/stores/progress";
 import { useWatchPartyStore } from "@/stores/watchParty";
 
 import { useDownloadLink } from "./Downloads";
@@ -326,7 +327,7 @@ export function WatchPartyView({ id }: { id: string }) {
                               </span>
                               <span className="text-type-secondary">
                                 {user.player.duration > 0
-                                  ? `${Math.floor((user.player.time / user.player.duration) * 100)}%`
+                                  ? `${Math.floor(getProgressPercentage(user.player.time, user.player.duration))}%`
                                   : `${Math.floor(user.player.time)}s`}
                               </span>
                             </div>
diff --git a/src/pages/PlayerView.tsx b/src/pages/PlayerView.tsx
index b08d7154..4dc69a71 100644
--- a/src/pages/PlayerView.tsx
+++ b/src/pages/PlayerView.tsx
@@ -26,7 +26,7 @@ import { SourceSelectPart } from "@/pages/parts/player/SourceSelectPart";
 import { useLastNonPlayerLink } from "@/stores/history";
 import { PlayerMeta, playerStatus } from "@/stores/player/slices/source";
 import { usePreferencesStore } from "@/stores/preferences";
-import { useProgressStore } from "@/stores/progress";
+import { getProgressPercentage, useProgressStore } from "@/stores/progress";
 import { needsOnboarding } from "@/utils/onboarding";
 import { parseTimestamp } from "@/utils/timestamp";
 
@@ -107,16 +107,20 @@ export function RealPlayerView() {
 
       if (meta.type === "movie") {
         if (!item.progress) return false;
-        const percentage =
-          (item.progress.watched / item.progress.duration) * 100;
+        const percentage = getProgressPercentage(
+          item.progress.watched,
+          item.progress.duration,
+        );
         return percentage > 80;
       }
 
       if (meta.type === "show" && meta.episode?.tmdbId) {
         const episode = item.episodes?.[meta.episode.tmdbId];
         if (!episode) return false;
-        const percentage =
-          (episode.progress.watched / episode.progress.duration) * 100;
+        const percentage = getProgressPercentage(
+          episode.progress.watched,
+          episode.progress.duration,
+        );
         return percentage > 80;
       }
 
diff --git a/src/pages/parts/player/ResumePart.tsx b/src/pages/parts/player/ResumePart.tsx
index 98272352..98191d13 100644
--- a/src/pages/parts/player/ResumePart.tsx
+++ b/src/pages/parts/player/ResumePart.tsx
@@ -8,7 +8,7 @@ import { Title } from "@/components/text/Title";
 import { ErrorContainer, ErrorLayout } from "@/pages/layouts/ErrorLayout";
 import { PlayerMeta } from "@/stores/player/slices/source";
 import { usePlayerStore } from "@/stores/player/store";
-import { useProgressStore } from "@/stores/progress";
+import { getProgressPercentage, useProgressStore } from "@/stores/progress";
 
 export interface ResumePartProps {
   onResume: () => void;
@@ -30,13 +30,19 @@ export function ResumePart(props: ResumePartProps) {
 
     if (meta.type === "movie") {
       if (!item.progress) return 0;
-      return (item.progress.watched / item.progress.duration) * 100;
+      return getProgressPercentage(
+        item.progress.watched,
+        item.progress.duration,
+      );
     }
 
     if (meta.type === "show" && meta.episode?.tmdbId) {
       const episode = item.episodes?.[meta.episode.tmdbId];
       if (!episode) return 0;
-      return (episode.progress.watched / episode.progress.duration) * 100;
+      return getProgressPercentage(
+        episode.progress.watched,
+        episode.progress.duration,
+      );
     }
 
     return 0;
diff --git a/src/stores/progress/index.ts b/src/stores/progress/index.ts
index a209658f..8ff3d292 100644
--- a/src/stores/progress/index.ts
+++ b/src/stores/progress/index.ts
@@ -4,6 +4,8 @@ import { immer } from "zustand/middleware/immer";
 
 import { PlayerMeta } from "@/stores/player/slices/source";
 
+export { getProgressPercentage } from "./utils";
+
 export interface ProgressItem {
   watched: number;
   duration: number;
diff --git a/src/stores/progress/utils.ts b/src/stores/progress/utils.ts
index 6ea09462..eebe9e67 100644
--- a/src/stores/progress/utils.ts
+++ b/src/stores/progress/utils.ts
@@ -55,6 +55,19 @@ function isFirstEpisodeOfShow(
   return season.number === 1 && episode.number === 1;
 }
 
+export function getProgressPercentage(
+  watched: number,
+  duration: number,
+): number {
+  // Handle edge cases to prevent infinity or invalid percentages
+  if (!duration || duration <= 0) return 0;
+  if (!watched || watched < 0) return 0;
+
+  // Cap percentage at 100% to prevent >100% values
+  const percentage = Math.min((watched / duration) * 100, 100);
+  return percentage;
+}
+
 export function shouldShowProgress(
   item: ProgressMediaItem,
 ): ShowProgressResult {