libvpx is an open-source video codec developed by Google (used for VP8/VP9). Unless you are watching a pirated/remuxed copy or a high-end Plex/Jellyfin transcoding log, a standard TV broadcast or Netflix/HBO Max stream of Young Sheldon will not display "libvpx" on screen. If you saw this term, it was likely part of video player diagnostics (e.g., "Codec: libvpx (VP9)") rather than an in-episode prop.

A solid 7.5/10 episode. Watch it for Missy's rebellion, not for the codec. If you actually need a technical report on the libvpx encoding of this specific episode (e.g., bitrate, frame drops, psychovisual tuning), please provide the file’s MediaInfo output. Otherwise, the above is the standard viewer report.