* ActorAllusion: The episode "Iron Ships and Dead Men" features a story about Oscar's (Richard Anderson) older brother, who was killed in the attack on Pearl Harbor. Anderson himself played Captain Earle in the Pearl Harbor epic ''[[ToraToraTora Tora! Tora! Tora!]]''
* TheDanza: In the third season, Chris Stone as Chris Williams.
** [[Series/TheBradyBunch Robbie Rist and Christopher Knight]] both made appearances on the show.
** Not to mention [[Series/StarTrekDeepSpaceNine René Auberjonois]] as a thief with a fantastic head of SeventiesHair.
** A young [[Series/MadAboutYou Helen Hunt]] played the extraterrestrial Princess Aura.
** [[Anime/TenchiMuyo Ayeka]] is still secretary Peggy Callahan.
* RecycledScript: Due to the very short notice given to mount the spin-off, the producers were forced to remake several ''Six Million Dollar Man'' storylines for the first season.