Professor Abernathy invents a pill that restores people's youth but only temporarily. The Flemings use the invention for revenge in a matter of marital discord.
This episode is a send-up of the old "great white hunter" movies. Wally Cox was the hunter, and the running joke was for Wally to give an instruction to the "native" head porter. The porter would reply, "Yes, Banana," and Wally would shout, "That's 'Bwana!'"
Some army buddies start Jones Maintenance Co. but approach work and organization with a casual attitude. When they decide to make a commercial they destroy the TV station where it is being filmed. Micky Shaughnessy, Dick Gautier, and Joi Lansing are a few listed in the credits.