The Night of the Fugitives - S4-E7
Trivia: Robert Conrad suffered a skull fracture filming the scene where he jumps from an upper level, grabs a chandelier, and kicks a bad guy. Conrad lost his grip on the chandelier and fell, headfirst, to the floor. Conrad hitting the floor with his head was filmed and left in the episode.
The Night of the Fugitives - S4-E7
Trivia: This episode was supposed to be part of the 3rd season, but filming was postponed until Robert Conrad's recovery from his serious fall, so was made part of the 4th season.
The Night of the Sabatini Death - S4-E17
Trivia: In the last scene, Ned Brown (who played the Skipper on Gilligan's Island) says, "I'm going to make a big dream come true, and you know what my dream is? I am going to spend a vacation all alone on a desert island." Then, the tune for Gilligan's Island is played.