Trivia / Doctor Who S24 E3 "Delta and the Bannermen"

  • What Could Have Been: A fairly well-known example within Doctor Who. Ray was almost the Doctor's newest travelling companion, but they decided to keep on Ace (from the next story) instead.
http://tvtropes.org/pmwiki/pmwiki.php/Trivia/DoctorWhoS24E3DeltaAndTheBannermen