4. ‘Remo Williams: The Adventure Begins’ (1985) — Sequels That Never Happened

When MGM adapted the 'Destroyer' book series, they must have been confident that the 140+ books would create the next James Bond. In fact, they were so confident they titled their film 'Remo Williams: The Adventure Begins.' But a lukewarm performance at the box office ended the movie series. Surprisingly the adventure continued on television. In 1988, ABC aired the pilot for a 'Remo Williams' TV series, featuring an unrecognizable Roddy McDowell as Korean martial arts guru Chiun. (Watch a clip above.)