Best television one-time-event 1978: The Star Wars Holiday Special
See the original posting on Boing Boing
Often remembered but rarely seen: The Star Wars Holiday Special is a variety show most remarkable for how unenthusiastic, or inebriated, the cast was. It is currently viewable on YouTube.
Recently referenced in The Mandalorian, Life Day is faux Wookie Christmas; apparently uncelebrated for 41 years.
I have a friend who is still grousing that the Hulk was held up for this genre mash-up nonpareil.