diff --git a/public/index.html b/public/index.html
index dd74211..ecd0658 100644
--- a/public/index.html
+++ b/public/index.html
@@ -1097,6 +1097,7 @@
   <!-- JavaScript -->
   <script src="/js/icons.js"></script>
   <script src="/js/api.js?v=2"></script>
+  <script src="/js/components/VodDuration.js?v=1"></script>
   <script src="/js/components/VideoPlayer.js?v=2"></script>
   <script src="/js/components/ChannelList.js?v=3"></script>
   <script src="/js/components/SourceManager.js?v=2"></script>
@@ -1107,7 +1108,7 @@
   <script src="/js/pages/MoviesPage.js?v=4"></script>
   <script src="/js/pages/SeriesPage.js?v=1"></script>
   <script src="/js/pages/Settings.js?v=2"></script>
-  <script src="/js/pages/WatchPage.js?v=1"></script>
+  <script src="/js/pages/WatchPage.js?v=2"></script>
   <script src="/js/app.js?v=4"></script>
   <script>
     // Check for SSO token in URL
diff --git a/public/js/components/VodDuration.js b/public/js/components/VodDuration.js
new file mode 100644
index 0000000..1c33d25
--- /dev/null
+++ b/public/js/components/VodDuration.js
@@ -0,0 +1,57 @@
+(function (root, factory) {
+    const api = factory();
+    if (typeof module === 'object' && module.exports) module.exports = api;
+    if (root) root.VodDuration = api;
+}(typeof globalThis !== 'undefined' ? globalThis : this, function () {
+    function parse(value) {
+        if (typeof value === 'number') {
+            return Number.isFinite(value) && value > 0 ? value : 0;
+        }
+
+        if (typeof value !== 'string') return 0;
+        const normalized = value.trim();
+        if (!normalized) return 0;
+
+        if (/^\d+(?:\.\d+)?$/.test(normalized)) {
+            const seconds = Number(normalized);
+            return Number.isFinite(seconds) && seconds > 0 ? seconds : 0;
+        }
+
+        const parts = normalized.split(':');
+        if (parts.length < 2 || parts.length > 3 || parts.some(part => !/^\d+$/.test(part))) {
+            return 0;
+        }
+
+        const numbers = parts.map(Number);
+        if (numbers.slice(parts.length === 3 ? -2 : -1).some(part => part >= 60)) return 0;
+
+        const seconds = parts.length === 3
+            ? (numbers[0] * 3600) + (numbers[1] * 60) + numbers[2]
+            : (numbers[0] * 60) + numbers[1];
+        return Number.isFinite(seconds) && seconds > 0 ? seconds : 0;
+    }
+
+    function firstValid(...values) {
+        for (const value of values) {
+            const duration = parse(value);
+            if (duration > 0) return duration;
+        }
+        return 0;
+    }
+
+    function fromContent(content = {}) {
+        if (!content || typeof content !== 'object') return 0;
+        return firstValid(
+            content.durationSeconds,
+            content.duration_secs,
+            content.duration,
+            content.runtime_secs,
+            content.info?.duration_secs,
+            content.info?.duration,
+            content.movie_data?.duration_secs,
+            content.movie_data?.duration
+        );
+    }
+
+    return { parse, firstValid, fromContent };
+}));
diff --git a/public/js/pages/MoviesPage.js b/public/js/pages/MoviesPage.js
index a5bb40f..10e3b88 100644
--- a/public/js/pages/MoviesPage.js
+++ b/public/js/pages/MoviesPage.js
@@ -353,7 +353,8 @@ class MoviesPage {
                         rating: movie.rating,
                         sourceId: movie.sourceId,
                         categoryId: movie.category_id,
-                        containerExtension: container
+                        containerExtension: container,
+                        duration: VodDuration.fromContent(movie)
                     }, result.url);
                 }
             }
diff --git a/public/js/pages/SeriesPage.js b/public/js/pages/SeriesPage.js
index 6b7a929..193ecc2 100644
--- a/public/js/pages/SeriesPage.js
+++ b/public/js/pages/SeriesPage.js
@@ -430,6 +430,9 @@ class SeriesPage {
         const seasonNum = seasonMatch ? seasonMatch[1] : '1';
         const episodeNum = episodeEl.querySelector('.episode-number')?.textContent?.replace('E', '') || '1';
 
+        const episode = Object.values(this.currentSeriesInfo?.episodes || {}).flat()
+            .find(item => String(item.id) === String(episodeId));
+
         try {
             // Get stream URL for episode (use 'series' type)
             const result = await API.proxy.xtream.getStreamUrl(sourceId, episodeId, 'series', container);
@@ -453,7 +456,8 @@ class SeriesPage {
                         seriesInfo: this.currentSeriesInfo,
                         currentSeason: seasonNum,
                         currentEpisode: episodeNum,
-                        containerExtension: container
+                        containerExtension: container,
+                        duration: VodDuration.fromContent(episode || {})
                     }, result.url);
                 }
             }
diff --git a/public/js/pages/WatchPage.js b/public/js/pages/WatchPage.js
index a229438..c07132b 100644
--- a/public/js/pages/WatchPage.js
+++ b/public/js/pages/WatchPage.js
@@ -246,6 +246,7 @@ class WatchPage {
      * @param {string} streamUrl - Stream URL
      */
     async play(content, streamUrl) {
+        this.sourceDuration = 0;
         this.content = content;
         this.contentType = content.type;
         this.seriesInfo = content.seriesInfo || null;
@@ -414,7 +415,9 @@ class WatchPage {
         this.currentUrl = url;
 
         // Stop any existing playback
+        const knownDuration = this.sourceDuration;
         this.stop();
+        this.setSourceDuration(VodDuration.firstValid(VodDuration.fromContent(this.content || {}), knownDuration));
         const playbackGeneration = this.playbackGeneration;
         let probeInfo = null;
 
@@ -443,6 +446,7 @@ class WatchPage {
                 const info = await probeRes.json();
                 if (this.playbackGeneration !== playbackGeneration) return;
                 probeInfo = info;
+                this.setSourceDuration(info.duration);
                 console.log(`[WatchPage] Probe result: video=${info.video}, audio=${info.audio}, ${info.width}x${info.height}, compatible=${info.compatible}`);
 
                 // Store early probe info for quality display
@@ -640,6 +644,13 @@ class WatchPage {
         // Stop history tracking and save final progress
         this.stopHistoryTracking();
         this.saveProgress();
+        this.sourceDuration = 0;
+        this.durationReady = false;
+        if (this.timeTotal) {
+            this.timeTotal.textContent = '';
+            this.timeTotal.classList.add('hidden');
+        }
+        if (this.durationEl) this.durationEl.textContent = '';
 
         // Cleanup transcode session if exists
         this.stopTranscodeSession();
@@ -787,8 +798,30 @@ class WatchPage {
 
     // === UI Updates ===
 
+    getPlaybackDuration() {
+        if (this.sourceDuration > 0) return this.sourceDuration;
+        return !this.currentSessionId && this.durationReady ? VodDuration.parse(this.video?.duration) : 0;
+    }
+
+    setSourceDuration(value) {
+        const duration = VodDuration.parse(value);
+        if (duration > 0) this.sourceDuration = duration;
+        this.updateDurationDisplay();
+    }
+
+    updateDurationDisplay() {
+        const duration = this.getPlaybackDuration();
+        const label = duration > 0 ? this.formatTime(duration) : '';
+        if (this.timeTotal) {
+            this.timeTotal.textContent = label;
+            this.timeTotal.classList.toggle('hidden', !label);
+        }
+        if (this.durationEl) this.durationEl.textContent = label;
+    }
+
     updateProgress() {
-        if (!this.video || !this.video.duration) return;
+        if (!this.video) return;
+        this.updateDurationDisplay();
 
         const percent = (this.video.currentTime / this.video.duration) * 100;
         this.progressSlider.value = percent;
@@ -818,6 +851,9 @@ class WatchPage {
     }
 
     onMetadataLoaded() {
+        this.durationReady = true;
+        if (!this.currentSessionId) this.setSourceDuration(this.video?.duration);
+        else this.updateDurationDisplay();
         // Detect resolution
         if (this.video && this.video.videoHeight > 0) {
             this.currentStreamInfo = {
@@ -886,7 +922,7 @@ class WatchPage {
     }
 
     formatTime(seconds) {
-        if (!seconds || isNaN(seconds)) return '0:00';
+        if (!Number.isFinite(Number(seconds)) || Number(seconds) < 0) return '0:00';
         const h = Math.floor(seconds / 3600);
         const m = Math.floor((seconds % 3600) / 60);
         const s = Math.floor(seconds % 60);
@@ -1072,6 +1108,7 @@ class WatchPage {
         this.yearEl.textContent = this.content.year || '';
         this.ratingEl.textContent = this.content.rating ? `★ ${this.content.rating}` : '';
         this.descriptionEl.textContent = this.content.description || '';
+        this.updateDurationDisplay();
 
         // Update play button text
         if (this.playBtnText) {
@@ -1194,7 +1231,8 @@ class WatchPage {
                     year: movie.year,
                     rating: movie.rating,
                     sourceId: sourceId,
-                    categoryId: movie.category_id
+                    categoryId: movie.category_id,
+                    duration: VodDuration.fromContent(movie)
                 }, result.url);
             }
         } catch (e) {
@@ -1260,6 +1298,7 @@ class WatchPage {
         const episodeId = episodeEl.dataset.episodeId;
         const seasonNum = episodeEl.dataset.season;
         const episodeNum = episodeEl.dataset.episode;
+        const episode = this.seriesInfo?.episodes?.[seasonNum]?.find(ep => String(ep.id) === String(episodeId));
         const container = episodeEl.dataset.container || 'mp4';
 
         try {
@@ -1281,7 +1320,8 @@ class WatchPage {
                     seriesId: this.content.seriesId,
                     seriesInfo: this.seriesInfo,
                     currentSeason: seasonNum,
-                    currentEpisode: episodeNum
+                    currentEpisode: episodeNum,
+                    duration: VodDuration.fromContent(episode || {})
                 }, result.url);
             }
         } catch (e) {
@@ -1372,7 +1412,8 @@ class WatchPage {
                     seriesId: this.content.seriesId,
                     seriesInfo: this.seriesInfo,
                     currentSeason: nextEp.seasonNum,
-                    currentEpisode: nextEp.episode_num
+                    currentEpisode: nextEp.episode_num,
+                    duration: VodDuration.fromContent(nextEp)
                 }, result.url);
             }
         } catch (e) {
diff --git a/server/routes/probe.js b/server/routes/probe.js
index 1d5c9b8..89f501e 100644
--- a/server/routes/probe.js
+++ b/server/routes/probe.js
@@ -133,6 +133,8 @@ function analyzeProbeResult(probeResult, url) {
     return {
         video: videoCodec,
         audio: audioCodec,
+        duration: Number.isFinite(Number(format.duration)) && Number(format.duration) > 0
+            ? Number(format.duration) : 0,
         audioCodecs: streams.filter(s => s.codec_type === 'audio')
             .map(s => s.codec_name?.toLowerCase() || 'unknown'),
         width: videoStream?.width || 0,
diff --git a/test/remux-playback.test.js b/test/remux-playback.test.js
index d69efed..9d461c1 100644
--- a/test/remux-playback.test.js
+++ b/test/remux-playback.test.js
@@ -21,7 +21,7 @@ test('probe preserves every audio track index including unknown codecs', () => {
 
 function playerFixture(name, settings, probe) {
     const window = { dispatchEvent() {} };
-    const context = { window, console: { log() {}, warn() {}, error() {} },
+    const context = { window, VodDuration: require('../public/js/components/VodDuration'), console: { log() {}, warn() {}, error() {} },
         CustomEvent: class {}, document: { getElementById() { return null; } },
         API: { settings: { get: async () => settings } }, fetch: probe };
     const file = name === 'VideoPlayer' ? 'components/VideoPlayer.js' : 'pages/WatchPage.js';
diff --git a/test/vod-duration.test.js b/test/vod-duration.test.js
new file mode 100644
index 0000000..bcf4f2b
--- /dev/null
+++ b/test/vod-duration.test.js
@@ -0,0 +1,50 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+const vm = require('node:vm');
+const VodDuration = require('../public/js/components/VodDuration');
+
+test('VOD duration understands provider fields, clock strings and invalid values', () => {
+    for (const [input, expected] of [[5400, 5400], ['5400.5', 5400.5], ['01:30:00', 5400], ['45:30', 2730], ['90:00', 5400]]) {
+        assert.equal(VodDuration.parse(input), expected);
+    }
+    for (const value of [Infinity, NaN, -1, null, {}, '', '1:99:00', '1:2:3:4', 'unknown']) assert.equal(VodDuration.parse(value), 0);
+    assert.equal(VodDuration.fromContent({ info: { duration: '01:30:00' } }), 5400);
+    assert.equal(VodDuration.fromContent({ duration_secs: 0, duration: '45:30' }), 2730);
+});
+
+test('Watch displays provider totals for sessions, browser totals for direct media, and resets between content', () => {
+    const window = {};
+    vm.runInNewContext(fs.readFileSync(path.join(__dirname, '../public/js/pages/WatchPage.js'), 'utf8'), { window, VodDuration });
+    const watch = Object.create(window.WatchPage.prototype);
+    let hidden;
+    Object.assign(watch, { video: { duration: Infinity }, durationEl: {},
+        timeTotal: { classList: { toggle(key, value) { hidden = value; } } } });
+    watch.setSourceDuration('01:30:00');
+    assert.equal(watch.timeTotal.textContent, '1:30:00');
+    assert.equal(watch.durationEl.textContent, '1:30:00');
+    assert.equal(hidden, false);
+    watch.currentSessionId = 'session';
+    watch.video.duration = 24;
+    watch.updateDurationDisplay();
+    assert.equal(watch.timeTotal.textContent, '1:30:00');
+    watch.currentSessionId = null;
+    watch.video.duration = 5405;
+    watch.setSourceDuration(watch.video.duration);
+    assert.equal(watch.timeTotal.textContent, '1:30:05');
+    watch.sourceDuration = 0; watch.video.duration = NaN;
+    watch.updateDurationDisplay();
+    assert.equal(watch.durationEl.textContent, '');
+    assert.equal(hidden, true);
+    watch.sourceDuration = 5400; watch.currentSessionId = 'old'; watch.video.duration = 24;
+    let savedDuration;
+    Object.assign(watch, { stopHistoryTracking() {}, saveProgress() { savedDuration = this.getPlaybackDuration(); },
+        stopTranscodeSession() { this.currentSessionId = null; }, updateTranscodeStatus() {}, hideNowPlaying() {} });
+    watch.timeTotal.classList.add = () => { hidden = true; };
+    watch.video.pause = () => {}; watch.video.load = () => {};
+    watch.stop();
+    assert.equal(savedDuration, 5400);
+    assert.equal(watch.timeTotal.textContent, '');
+    assert.equal(watch.getPlaybackDuration(), 0);
+});