The lost episodes of "Cheers"

"Cheers" ran for almost 300 episodes from 1982-1993, but there's several one-off appearances by the cast that are not on the show's DVDs.

1) "Uncle Sam Malone": This was a short film for the U.S. Treasury, clearly written by outsiders.  I imagine they wrote this, then immediately turned around and wrote one for "Gimme a Break" or something, judging by some of the weak jokes.  Anyhow, I had heard tell of this for years, but only found it recently.  I believe this was produced during season 2 (1983).  More from another blog.

2) "Cheers" at the SuperBowl: Ken Levine explains this better than I, since he was there!

3) The DisneyLand 35th Anniversary: There's a weird crossover-flashback featuring Woody.  The kid playing him needs to be smacked.  It starts around 1:17 in.

4) Late Night With David Letterman: A cold open from 1990; this was reprised for Letterman's NBC finale (before Dave moved to CBS), which aired shortly after "Cheers" ended.  A bad year for NBC.