Thought I’d post this if of interest, the opening/closing bookends with George Hall (watermarked though) there’s also quite a few introductions with George Lucas and VHS promos on YouTube too, would be awesome to see all of this pulled together as a preservation
https://m.youtube.com/watch?v=BkHVVWu1QQQ
https://m.youtube.com/watch?v=eeR7XBkqbTw
George Lucas and Rick McCallum Discuss the Young Indiana Jones Series
https://m.youtube.com/watch?v=vxCjvNpd1MI

A LOOK INSIDE" FT. GEORGE LUCAS, STEVEN SPEILBERG, AND HARRISON FORD [VHS} 1999
https://m.youtube.com/watch?v=VxZzA_8nMdI
Young Indiana Jones A look inside interview
https://m.youtube.com/watch?v=elGmUUGpRBk&t=2s

Young Indiana Jones VHS Opening Trailers UK Retail Cassette
https://m.youtube.com/watch?v=WBsGcfWq0zY

Also a few unedited versions here from ABC (Curse of the Jackal, Phantom Train of Doom, Hollywood Follies & Peking)
https://m.youtube.com/watch?v=Sx3KKiDtkAE