On a trip to the circus the Clue Club, see the acrobat Karelli vanish. The case seems complicated since many people have their views against Karelli who was going to leave the circus anyway to work for someone else. The acrobats Tonio and Peter are revealed to be the ones trying so hard to get rid of Karelli to become the best team.
Elenco: Bob Hastings , Paul Winchell , John Stephenson , Tara Talboy , Jim MacGeorge , Patricia Stich , David Jolliffe .