Movie Plot: An astronaut's disembodied hand turns a college student into a strangler.

Opening: Joel explains the premise of the show.
Invention exchange: Safety saw, limb lengthener.
Host segment 1: J&TB bowl, but Crow and Tom don't want to play any more games with Joel.
Host segment 2: J&TB do Shatner with the crawling hand.
Host segment 3: Why is a dismembered hand scary?
End: Good thing/bad thing, letter, Larry is very happy.

b: Dec 1989

Note: THIS episode, not episode 104, is the REAL first time for the opening segment and the buttons on the table. Joel explains the show's premise--and he makes a point of gesturing to the buttons when Deep 13 calls. Still, no Bots are on the set during the invention exchange.