Underdog (1964)

Season 3: Episode 11

Riff and his gang decide to rob one more vessel before they go for their biggest catch, The Queen May. But, Polly has hidden herself as a decoy so that she can call for Underdog once she is on board the Ghost Ship. When the gang opens the contents of the merchant ship they just robbed, Polly emerges and runs calling for Underdog. They capture her but the gang is fearful that her cries will bring Underdog. At this point, Riff finally reveals what 'Just in Case' is,...Just in Case Underdog comes! The disguised fella is really a witch doctor who, along with a voodoo doll in the form of Underdog, is able to manipulate our hero and leave him helpless