Danny Phantom - Season 1 - Eps 20: Control Freaks
Sam rebels when her overprotective parents forbid her from attending the strange Goth circus that's come to town. Little does she know that the circus performers are ghosts, under the mystical control of the creepy ringmaster named Freakshow, who also uses the ghosts to loot the town. When Danny falls under Freakshow's spell and joins the circus - and the robbery spree - Sam must operate under the radar to destroy Freakshow's magic crystal ball, free Danny and get grounded, big-time.
About Danny Phantom

Title: Danny Phantom
First Air Date: 2004-04-03
Last Air Date: 2007-08-24
Status: Ended
Rating: 8.329/10 (from 1101 votes)
Language: EN
Seasons: 3
Total Episodes: 49
Network: Nickelodeon
Genres: Action & Adventure, Animation, Comedy, Sci-Fi & Fantasy
Production Companies: Billionfold, Nickelodeon Animation Studio, Nickelodeon Productions
Synopsis
Danny Fenton was once your typical kid until he accidentally blew up his parents' laboratory and became ghost-hunting superhero Danny Phantom. Now half-ghost, Danny's picked up paranormal powers, but only his sister, Jazz, and best friends, Samantha and Tucker, know his secret. Danny's busy fighting ghosts, saving Casper High and hiding his new identity all while trying to graduate.
Cast

David Kaufman
Danny Fenton / Danny Phantom (voice)

Grey DeLisle
Samantha 'Sam' Manson (voice)

Rickey D'Shon Collins
Tucker Foley (voice)

Colleen O'Shaughnessey
Jasmine 'Jazz' Fenton (voice)

Rob Paulsen
Jack Fenton (voice)

Kath Soucie
Madeline Fenton (voice)

Ron Perlman
Vice Principal Lancer (voice)