You can find the mpd stream and the subtitle in network tab. For me: youtube-dl.exe -f bestvideo+bestaudio "https://vod-dash-ww-live.akamaized.net/usp/auth/vod

You can find the mpd stream and the subtitle in network tab. For me: youtube-dl.exe -f bestvideo+bestaudio "https://vod-dash-ww-live.akamaized.net/usp/auth/vod/piff_abr_full_hd/e35e56-p0931jtm/vf_p0931jtm_037406a1-04de-446c-8f39-8b0f119c4fed.ism/pc_hd_abr_v2_dash_master.mpd?__gda__=1610096862_763b890e463ac0b53a3a24bdd237f578 https://vod-dash-ww-live.akamaized.net/usp/auth/vod/piff_abr..." And the subtitle(EBU-TT-D format): https://vod-sub-ww-live.bbcfmt.s.llnwi.net/iplayer/subtitles/ng/galileo/p0/93/1j/p0931jtm-596f0f2a-f1a9-4543-b9a9-9a92877f257e.xml?s=1610053662&e=1610096862&h=0dad4a4b00173050d9f5cbc9564b906e https://vod-sub-ww-live.bbcfmt.s.llnwi.net/iplayer/subtitles... Vlc can play it with the sub.