Amazon.com: SpongeBob SquarePants - Season 4, Vol. 1 : Tom Kenny, Bill Fagerbakke, Rodger Bumpass, Clancy Brown, Dee Bradley Baker, Mr. Lawrence, Sirena Irwin, Carolyn Lawrence, Annette Heick, Jill Talley, Mary Jo
Amazon.com: SpongeBob SquarePants - Season 4, Vol. 2 : Tom Kenny, Bill Fagerbakke, Rodger Bumpass, Clancy Brown, Dee Bradley Baker, Mr. Lawrence, Sirena Irwin, Carolyn Lawrence, Annette Heick, Jill Talley, Mary Jo
DVD Box Set - SpongeBob SquarePants: Season 4 - Paramount - Australia
Opening to SpongeBob SquarePants: Season 4 Volume 1 2006 DVD - YouTube