Repository: yt-dlp/yt-dlp
File: yt_dlp/extractor/mxplayer.py (Python)

Code before:
        },
        'params': {
            'format': 'bv',
            'skip_download': True,
        },
    }]

    def _real_extract(self, url):
        video_type, display_id, video_id = self._match_valid_url(url).groups()

        if 'show' in video_type:
            video_type = 'episode'

        data_json = self._download_json(
            f'https://api.mxplay.com/v1/web/detail/video?type={video_type}&id={video_id}', display_id
        )

        formats = []
        subtitles = {}
        series, season, season_number, episode_number = None, None, None, None

        if video_type == 'episode':
            series = traverse_obj(data_json, ('container', 'container', 'title'))
            season = traverse_obj(data_json, ('container', 'title'))
            episode_number = data_json.get('sequence')
            season_number = int(self._search_regex(r'Season (\d+)', season, 'Season Number'))

        for stream_type in 'dash', 'hls':
            playlist_url = 'https://llvod.mxplay.com/{}'.format(data_json['stream'][stream_type]['high'])

            if stream_type == 'dash':
                frmts, subs = self._extract_mpd_formats_and_subtitles(playlist_url, display_id, fatal=False)
            else:
                frmts, subs = self._extract_m3u8_formats_and_subtitles(playlist_url, display_id, fatal=False)

            formats.extend(frmts)
            self._merge_subtitles(subs, target=subtitles)

        self._sort_formats(formats)

        return {
            'id': video_id,
            'title': data_json['title'],
            'formats': formats,
            'subtitles': subtitles,
            'display_id': display_id,
            'duration': data_json.get('duration'),
            'series': series,
            'description': data_json.get('description'),
            'season': season,
            'season_number': season_number,

Review comment (suggestion):
Make it non-fatal and use int_or_none()

```python
season_number = int_or_none(self._search_regex(r'Season (\d+)', season, 'Season Number', fatal=False))
```

Code after:
    def _real_extract(self, url):
        video_type, display_id, video_id = self._match_valid_url(url).group('type', 'display_id', 'id')
        if 'show' in video_type:
            video_type = 'episode'

        data_json = self._download_json(
            f'https://api.mxplay.com/v1/web/detail/video?type={video_type}&id={video_id}', display_id)

        streams = traverse_obj(data_json, ('stream', {'m3u8': ('hls', 'high'), 'mpd': ('dash', 'high')}))
        formats, dash_subs = self._extract_mpd_formats_and_subtitles(
            f'https://llvod.mxplay.com/{streams["mpd"]}', display_id, fatal=False)
        hls_frmts, hls_subs = self._extract_m3u8_formats_and_subtitles(
            f'https://llvod.mxplay.com/{streams["m3u8"]}', display_id, fatal=False)

        formats.extend(hls_frmts)
        self._sort_formats(formats)

        season = traverse_obj(data_json, ('container', 'title'))
        return {
            'id': video_id,
            'title': data_json.get('title'),
            'formats': formats,
            'subtitles': self._merge_subtitles(dash_subs, hls_subs),
            'display_id': display_id,
            'duration': data_json.get('duration'),
            'series': traverse_obj(data_json, ('container', 'container', 'title')),
            'description': data_json.get('description'),
            'season': season,
            'season_number': int_or_none(
                self._search_regex(r'Season (\d+)', season, 'Season Number', default=None)),
            'episode_number': data_json.get('sequence') or None,
        }


class MxplayerShowIE(InfoExtractor):
    _VALID_URL = r'https?://(?:www\.)?mxplayer\.in/show/(?P<display_id>[-\w]+)-(?P<id>\w+)/?(?:$|[#?])'
    _TESTS = [{
        'url': 'https://www.mxplayer.in/show/watch-chakravartin-ashoka-samrat-series-online-a8f44e3cc0814b5601d17772cedf5417',
        'playlist_mincount': 440,
        'info_dict': {
            'id': 'a8f44e3cc0814b5601d17772cedf5417',
            'title': 'Watch Chakravartin Ashoka Samrat Series Online',
        }
    }]

    _API_SHOW_URL = "https://api.mxplay.com/v1/web/detail/tab/tvshowseasons?type=tv_show&id={}&device-density=2&platform=com.mxplay.desktop&content-languages=hi,en"
    _API_EPISODES_URL = "https://api.mxplay.com/v1/web/detail/tab/tvshowepisodes?type=season&id={}&device-density=1&platform=com.mxplay.desktop&content-languages=hi,en&{}"

    def _entries(self, show_id):
        show_json = self._download_json(
            self._API_SHOW_URL.format(show_id),