diff --git a/yt_dlp/extractor/_extractors.py b/yt_dlp/extractor/_extractors.py
index 1a29a93ed..94434d5e7 100644
--- a/yt_dlp/extractor/_extractors.py
+++ b/yt_dlp/extractor/_extractors.py
@@ -2034,6 +2034,7 @@
     TeleQuebecEmissionIE,
     TeleQuebecIE,
     TeleQuebecLiveIE,
+    TeleQuebecSeasonIE,
     TeleQuebecSquatIE,
     TeleQuebecVideoIE,
 )
diff --git a/yt_dlp/extractor/telequebec.py b/yt_dlp/extractor/telequebec.py
index 7f5d5d29b..be927d6c5 100644
--- a/yt_dlp/extractor/telequebec.py
+++ b/yt_dlp/extractor/telequebec.py
@@ -1,7 +1,12 @@
+import json
+import re
+
 from .common import InfoExtractor
 from ..utils import (
+    ExtractorError,
     int_or_none,
     smuggle_url,
+    traverse_obj,
     try_get,
     unified_timestamp,
 )
@@ -28,81 +33,174 @@ class TeleQuebecIE(TeleQuebecBaseIE):
                         )/(?P<id>\d+)
                     '''
     _TESTS = [{
-        # available till 01.01.2023
-        'url': 'http://zonevideo.telequebec.tv/media/37578/un-petit-choc-et-puis-repart/un-chef-a-la-cabane',
-        'info_dict': {
-            'id': '6155972771001',
-            'ext': 'mp4',
-            'title': 'Un petit choc et puis repart!',
-            'description': 'md5:b04a7e6b3f74e32d7b294cffe8658374',
-            'timestamp': 1589262469,
-            'uploader_id': '6150020952001',
-            'upload_date': '20200512',
-        },
-        'add_ie': ['BrightcoveNew'],
+        'url': 'https://zonevideo.telequebec.tv/media/1/exemple',
+        'only_matching': True,
     }, {
-        'url': 'https://zonevideo.telequebec.tv/media/55267/le-soleil/passe-partout',
+        'url': 'https://coucou.telequebec.tv/videos/1004958/top-cornichon/l-anniversaire-de-top-cornichon',
         'info_dict': {
-            'id': '6167180337001',
+            'id': '6370144678112',
             'ext': 'mp4',
-            'title': 'Le soleil',
-            'description': 'md5:64289c922a8de2abbe99c354daffde02',
+            'title': 'L\'anniversaire de Top Cornichon',
+            'description': 'md5:fc4fb2967dcea0baa8b6d39a11da917b',
             'uploader_id': '6150020952001',
-            'upload_date': '20200625',
-            'timestamp': 1593090307,
+            'duration': 360.107,
+            'thumbnail': 'md5:027b0d8b371bc86d5ac9c024acfeb6f2',
+            'timestamp': 1742217124,
+            'upload_date': '20250317',
+            'series': 'Top Cornichon',
+            'episode': 'L\'anniversaire de Top Cornichon',
+        },
+        'params': {
+            'skip_download': True,
         },
         'add_ie': ['BrightcoveNew'],
-    }, {
-        # no description
-        'url': 'http://zonevideo.telequebec.tv/media/30261',
-        'only_matching': True,
-    }, {
-        'url': 'https://coucou.telequebec.tv/videos/41788/idee-de-genie/l-heure-du-bain',
-        'only_matching': True,
     }]
 
     def _real_extract(self, url):
         media_id = self._match_id(url)
-        media = self._download_json(
+        meta = self._download_json(
             'https://mnmedias.api.telequebec.tv/api/v3/media/' + media_id,
-            media_id)['media']
-        source_id = next(source_info['sourceId'] for source_info in media['streamInfos'] if source_info.get('source') == 'Brightcove')
-        info = self._brightcove_result(source_id, '22gPKdt7f')
-        product = media.get('product') or {}
-        season = product.get('season') or {}
+            media_id, fatal=False)
+        media = meta.get('media') if meta else None
+        stream_infos = try_get(media, lambda m: m['streamInfos']) or []
+
+        if media and any(si and si.get('source') == 'Brightcove' for si in stream_infos):
+            source_id = next(
+                si['sourceId'] for si in stream_infos
+                if si and si.get('source') == 'Brightcove')
+            info = self._brightcove_result(source_id, '22gPKdt7f')
+            product = media.get('product') or {}
+            season = product.get('season') or {}
+            info.update({
+                'description': try_get(media, lambda x: x['descriptions'][-1]['text'], str),
+                'series': try_get(season, lambda x: x['serie']['titre']),
+                'season': season.get('name'),
+                'season_number': int_or_none(season.get('seasonNo')),
+                'episode': product.get('titre'),
+                'episode_number': int_or_none(product.get('episodeNo')),
+            })
+            return info
+
+        # Coucou Next.js: Brightcove id is in __NEXT_DATA__ when mnmedias has no catalogue row.
+        webpage = self._download_webpage(url, media_id)
+        next_json = self._search_regex(
+            r'<script id="__NEXT_DATA__" type="application/json">(?P<json>[\s\S]+?)</script>',
+            webpage, '__NEXT_DATA__')
+        next_data = self._parse_json(next_json, media_id)
+        media_obj = traverse_obj(next_data, ('props', 'pageProps', 'media')) or {}
+        bc_video_id = media_obj.get('mediaId')
+        if not bc_video_id:
+            raise ExtractorError('Unable to extract Brightcove video id')
+
+        info = self._brightcove_result(str(bc_video_id), '22gPKdt7f')
+        hero = traverse_obj(next_data, ('props', 'pageProps', 'hero')) or {}
         info.update({
-            'description': try_get(media, lambda x: x['descriptions'][-1]['text'], str),
-            'series': try_get(season, lambda x: x['serie']['titre']),
-            'season': season.get('name'),
-            'season_number': int_or_none(season.get('seasonNo')),
-            'episode': product.get('titre'),
-            'episode_number': int_or_none(product.get('episodeNo')),
+            'description': media_obj.get('description'),
+            'episode': media_obj.get('titre'),
+            'series': hero.get('nom'),
         })
         return info
 
 
-class TeleQuebecSquatIE(InfoExtractor):
-    _VALID_URL = r'https?://squat\.telequebec\.tv/videos/(?P<id>\d+)'
+class TeleQuebecSeasonIE(InfoExtractor):
+    """telequebec.tv/contenu/{slug}/saison/{n} — expands to episode /regarder/ URLs via GraphQL."""
+
+    _VALID_URL = r'https?://(?:www\.)?telequebec\.tv/contenu/(?P<slug>[^/?#]+)/saison/(?P<season>\d+)'
     _TESTS = [{
-        'url': 'https://squat.telequebec.tv/videos/9314',
+        'url': 'https://telequebec.tv/contenu/macaroni-tout-garni/saison/1',
+        'playlist_mincount': 15,
         'info_dict': {
-            'id': 'd59ae78112d542e793d83cc9d3a5b530',
-            'ext': 'mp4',
-            'title': 'Poupeflekta',
-            'description': 'md5:2f0718f8d2f8fece1646ee25fb7bce75',
-            'duration': 1351,
-            'timestamp': 1569057600,
-            'upload_date': '20190921',
-            'series': 'Miraculous : Les Aventures de Ladybug et Chat Noir',
-            'season': 'Saison 3',
-            'season_number': 3,
-            'episode_number': 57,
+            'id': 'macaroni-tout-garni-s1',
+            'title': 'Macaroni tout garni',
         },
         'params': {
             'skip_download': True,
         },
+    }, {
+        'url': 'https://www.telequebec.tv/contenu/macaroni-tout-garni/saison/1/',
+        'only_matching': True,
     }]
 
+    def _real_extract(self, url):
+        mobj = self._match_valid_url(url)
+        slug, season = mobj.group('slug'), int(mobj.group('season'))
+        playlist_id = f'{slug}-s{season}'
+
+        query = '''query ($slug: String!, $season: Int!) {
+            productPage(rootProductSlug: $slug, seasonNumber: $season) {
+                ... on ArtisanPage {
+                    blocks {
+                        ... on ArtisanBlocksProductPlayableProductsStrip {
+                            blockConfiguration {
+                                rootProduct { title }
+                                season { title }
+                                products { title videoCanonicalUrl }
+                            }
+                        }
+                    }
+                }
+            }
+        }'''
+
+        resp = self._download_json(
+            'https://api.pc-cms.tele.quebec/graphql', playlist_id,
+            data=json.dumps({
+                'query': query,
+                'variables': {'slug': slug, 'season': season},
+            }, separators=(',', ':')).encode(),
+            headers={
+                'Content-Type': 'application/json',
+                'Accept': 'application/json',
+                'Origin': 'https://telequebec.tv',
+            })
+
+        errs = traverse_obj(resp, ('errors', ..., 'message', {str}))
+        if errs:
+            raise ExtractorError(', '.join(errs), expected=True)
+
+        playlist_title = None
+        products = []
+        for block in traverse_obj(resp, ('data', 'productPage', 'blocks')) or []:
+            cfg = traverse_obj(block, 'blockConfiguration')
+            if not cfg:
+                continue
+            prods = cfg.get('products')
+            if not prods:
+                continue
+            products = prods
+            playlist_title = traverse_obj(cfg, ('season', 'title')) or traverse_obj(cfg, ('rootProduct', 'title'))
+            break
+
+        if not products:
+            raise ExtractorError('No playable episodes in this season', expected=True)
+
+        def _episode_sort_key(p):
+            vu = p.get('videoCanonicalUrl') or ''
+            m = re.search(r'/(\d+)/?(?:[?#]|$)', vu)
+            return int(m.group(1)) if m else 0
+
+        products = sorted(products, key=_episode_sort_key)
+
+        entries = [
+            self.url_result(
+                p['videoCanonicalUrl'],
+                ie=TeleQuebecEmissionIE.ie_key(),
+                video_title=p.get('title'))
+            for p in products
+            if p.get('videoCanonicalUrl')
+        ]
+
+        return self.playlist_result(
+            entries,
+            playlist_id=playlist_id,
+            playlist_title=playlist_title or slug)
+
+
+class TeleQuebecSquatIE(InfoExtractor):
+    _WORKING = False
+    _VALID_URL = r'https?://squat\.telequebec\.tv/videos/(?P<id>\d+)'
+    _TESTS = []
+
     def _real_extract(self, url):
         video_id = self._match_id(url)
 
@@ -136,25 +234,47 @@ class TeleQuebecEmissionIE(InfoExtractor):
                         )
                         (?P<id>[^?#&]+)
                     '''
+
+    @classmethod
+    def suitable(cls, url):
+        if re.match(r'https?://(?:www\.)?telequebec\.tv/contenu/[^/?#]+/saison/\d+', url):
+            return False
+        return super().suitable(url)
+
     _TESTS = [{
-        'url': 'http://lindicemcsween.telequebec.tv/emissions/100430013/des-soins-esthetiques-a-377-d-interets-annuels-ca-vous-tente',
+        'url': 'https://telequebec.tv/regarder/donner-lgout/2/6',
         'info_dict': {
-            'id': '6154476028001',
+            'id': 'ref:100832979',
             'ext': 'mp4',
-            'title': 'Des soins esthétiques à 377 % d’intérêts annuels, ça vous tente?',
-            'description': 'md5:cb4d378e073fae6cce1f87c00f84ae9f',
-            'upload_date': '20200505',
-            'timestamp': 1588713424,
+            'title': 'La Grèce à Québec',
+            'description': 'md5:c506e07b90426ad391e18a753c021516',
             'uploader_id': '6150020952001',
+            'duration': 2695.083,
+            'thumbnail': 'md5:17aead23a395fb3f56a376524eb9f23c',
+            'timestamp': 1777782475,
+            'upload_date': '20260503',
         },
+        'params': {
+            'skip_download': True,
+        },
+        'add_ie': ['BrightcoveNew'],
+    }, {
+        'url': 'https://telequebec.tv/regarder/donner-lgout/2/1',
+        'only_matching': True,
+    }, {
+        'url': 'https://telequebec.tv/regarder/kamikazes/2/7',
+        'only_matching': True,
     }, {
-        'url': 'http://bancpublic.telequebec.tv/emissions/emission-49/31986/jeunes-meres-sous-pression',
+        'url': 'https://telequebec.tv/regarder/5050',
         'only_matching': True,
     }, {
-        'url': 'http://www.telequebec.tv/masha-et-michka/epi059masha-et-michka-3-053-078',
+        'url': 'https://telequebec.tv/regarder/les-magnetiques',
         'only_matching': True,
     }, {
-        'url': 'http://www.telequebec.tv/documentaire/bebes-sur-mesure/',
+        'url': 'https://telequebec.tv/regarder/les-dalton/2/107',
+        'only_matching': True,
+    }, {
+        'url': 'https://telequebec.tv/regarder/macaroni-tout-garni/1/1',
         'only_matching': True,
     }]
 
@@ -164,31 +284,33 @@ def _real_extract(self, url):
         webpage = self._download_webpage(url, display_id)
 
         media_id = self._search_regex(
-            r'mediaId\s*:\s*(?P<id>\d+)', webpage, 'media id')
+            (
+                r'mediaId\s*:\s*(?P<id>\d+)',
+                r'"mediaId"\s*,\s*"(?P<id>\d+)"',
+                r'"mediaId"\s*,\s*(?P<id>\d+)',
+                r'mediaId\\"\s*,\s*\\"(?P<id>\d+)',
+            ),
+            webpage, 'media id')
+
+        meta = self._download_json(
+            'https://mnmedias.api.telequebec.tv/api/v3/media/' + media_id,
+            media_id, fatal=False)
+        media = meta.get('media') if meta else None
+        stream_infos = try_get(media, lambda m: m['streamInfos']) or []
+        if media and any(si and si.get('source') == 'Brightcove' for si in stream_infos):
+            return self.url_result(
+                'http://zonevideo.telequebec.tv/media/' + media_id,
+                TeleQuebecIE.ie_key())
 
-        return self.url_result(
-            'http://zonevideo.telequebec.tv/media/' + media_id,
-            TeleQuebecIE.ie_key())
+        # New telequebec.tv stack no longer mirrors catalogue ids into mnmedias; Brightcove loads
+        # videoId=ref:{mediaId} (see web player bundle: videoId:`ref:${mediaId}`).
+        return TeleQuebecBaseIE._brightcove_result(f'ref:{media_id}', 'ja7RtbSne')
 
 
 class TeleQuebecLiveIE(TeleQuebecBaseIE):
+    _WORKING = False
     _VALID_URL = r'https?://zonevideo\.telequebec\.tv/(?P<id>endirect)'
-    _TEST = {
-        'url': 'http://zonevideo.telequebec.tv/endirect/',
-        'info_dict': {
-            'id': '6159095684001',
-            'ext': 'mp4',
-            'title': 're:^Télé-Québec [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
-            'is_live': True,
-            'description': 'Canal principal de Télé-Québec',
-            'uploader_id': '6150020952001',
-            'timestamp': 1590439901,
-            'upload_date': '20200525',
-        },
-        'params': {
-            'skip_download': True,
-        },
-    }
+    _TESTS = []
 
     def _real_extract(self, url):
         return self._brightcove_result('6159095684001', 'skCsmi2Uw')
@@ -198,15 +320,7 @@ class TeleQuebecVideoIE(TeleQuebecBaseIE):
     _VALID_URL = r'https?://video\.telequebec\.tv/player(?:-live)?/(?P<id>\d+)'
     _TESTS = [{
         'url': 'https://video.telequebec.tv/player/31110/stream',
-        'info_dict': {
-            'id': '6202570652001',
-            'ext': 'mp4',
-            'title': 'Le coût du véhicule le plus vendu au Canada / Tous les frais liés à la procréation assistée',
-            'description': 'md5:685a7e4c450ba777c60adb6e71e41526',
-            'upload_date': '20201019',
-            'timestamp': 1603115930,
-            'uploader_id': '6101674910001',
-        },
+        'only_matching': True,
     }, {
         'url': 'https://video.telequebec.tv/player-live/28527',
         'only_matching': True,
