Season 4 Details Casts Episode Lists of Season 4 Title Season 4 Genres Animation Comedy Kids Air Date 2005-02-25 Episode Runtime 00 Hours 11 Minutes Season Number 4 Episode Count On Season 4 24 Production Companies Cartoon Network Studios Greg Eagles Grim (voice) Richard Steven Horvitz Billy (voice) Grey DeLisle Mandy (voice) Vanessa Marshall Irwin (voice) Episode 1 2005-02-25 The Secret Snake Club... Episode 2 2005-04-01 He's Not Dead, He's My Ma... Episode 3 2005-04-01 Hog Wild... Episode 4 2005-04-08 The Bad News Ghouls... Episode 5 2005-04-08 The House of No Tomorrow... Episode 6 2005-04-15 Happy Huggy Stuffy Bears... Episode 7 2005-04-15 The Secret Decoder Ring... Episode 8 2005-06-03 Wild Parts... Episode 9 2005-06-03 The Problem with Billy... Episode 10 2005-06-10 Wishbones... Episode 11 2005-06-17 Dream Mutt... Episode 12 2005-06-17 Scythe for Sale... Episode 13 2005-06-24 Jeffy's Web... Episode 14 2005-06-24 Irwin Gets a Clue... Episode 15 2005-06-24 Duck!... Episode 16 2005-06-24 Aren't You Chupacabra to ... Episode 17 2005-06-27 Zip Your Fly... Episode 18 2005-06-27 Puddle Jumping... Episode 19 2005-06-28 Runaway Pants... Episode 20 2005-06-28 Scythe 2.0... Episode 21 2006-06-29 The Firebird Sweet... Episode 22 2006-06-29 The Bubble with Billy... Episode 23 2005-06-30 Billy Idiot... Episode 24 2005-06-30 Home of the Ancients...
