Danny Phantom - Season 3 - Eps 12: Phantom Planet
Danny, after being publicly shamed by Vlad's new ghost hunting team, wants to be normal again. So he gets rid of his powers by reactivating the Fenton Portal after Jack dismantles it for a software upgrade. However, an asteroid made of Ectoranium threatens the Earth, and Vlad - after revealing to everyone that he is Plasmius - fails to stop it. The world now relies on a powerless Danny to get help from the ghosts in the Ghost Zone!
About Danny Phantom

Title: Danny Phantom
First Air Date: 2004-04-03
Last Air Date: 2007-08-24
Status: Ended
Rating: 8.3/10 (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)