"Venus and the Man"
gs: Keny Long , Veronica Redd
The station's cleaning woman asks Venus to convince her big, tough teenage son not to drop out of school.

b: 31 Jan 81 pc: 060 w: Hugh Wilson d: Rod Daniel

NOTE: This episode contains the famous scene where Venus explains the structure of the atom in two minutes.

A few places you might be able to get it:

http://www.tvmegasite.net/trading/lists.htm