Trivia: Due to the rigorous stunts he performed, actor Robert Conrad would often rip out the seat of his already too tight pants.
The Night Dr. Loveless Died - S3-E4
Trivia: Dr. Loveless' uncle's name, "Liebknicht", is, aside from the addition of the letter "k", German for "Loveless".
The Night of the Infernal Machine - S2-E14
Trivia: West collides with the cook and sends him sprawling face-down in a huge platter of gelatin. Before racing off again, West quips, "Sorry about that, chef!" This was a winking homage to the 60s spy comedy Get Smart and its bumbling hero Maxwell Smart's famous catch-phrase, "Sorry about that, Chief!" (00:47:30)
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 Dr. Loveless Died - S3-E4
Trivia: Dr. Loveless' full name is revealed in this episode as Miguelito Quixote Loveless.
The Night of the Casual Killer - S1-E5
Trivia: Ross Martin (Artemus Gordon) was an actual accomplished violinist and played for real in this episode.
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.
The Night of the Surreal McCoy - S2-E23
Trivia: The idea of Dr. Loveless using assassins in paintings to kill people was used in a scene of the 1999 movie, Wild Wild West, when Will Smith shoots a gunman as he steps out of a painting.
The Night of the Eccentrics - S2-E1
Trivia: First TV acting role for comedian Richard Pryor.
The Night of the Murderous Spring - S1-E27
Trivia: Dr. Loveless describes his attendant as "My friend there is a deaf-mute." The silent attendant is played by Leonard Falk who in real life is Robert Conrad's father.
The Night of the Flying Pie Plate - S2-E6
Trivia: The sound effect of the pie plate's hatch opening and closing are from the T.V. series, "I Dream of Jeannie", when Jeannie enters or exits her bottle as a cloud of smoke.