Wonder Years - The actress who played Wendy stated it's not gotten a release yet due to music copyrights. So it's a good reason as I'd want the show released as they originally aired rather than have the music be replaced. Hope this will be sorted out one day so it'd get season boxed sets.

Step By Step

special features: commentary by cast and crew, behind the scenes (filming an episode, how the shows were created), what the actors think of the shows' legacies, tv spots/trailers/promos)

this thread goes for any show - live action, cartoon/anime, and anything else. I'll add more once I think of them. Also, if you think of any, feel free to state what special features you'd like to see or which would draw enough attention for people to buy the sets.