Turn a Baby Johan model into a narrated video clip.
Use desktop Chrome to record. Captions + narration are burned into the video.
After download, convert & join clips: ffmpeg -i clip.webm -c:v libx264 -pix_fmt yuv420p clip.mp4
or your stitch-films.ps1 to join several into one episode.
Logic-built — your eyes/device are the test.