Clifford the Big Red Dog The adventures of a larger-than-life red dog on Bridwell Island. Details Casts Season Lists Title Clifford the Big Red Dog Genres Animation Kids First Air Date 2000-09-04 Last Air Date 2003-02-25 Episode Runtime 00 Hours 15 Minutes Total Season(s) 2 Total Episode(s) on All Seasons 130 Runtime 15 Production Companies Scholastic Productions, Mike Young Productions John Ritter Clifford (voice) Grey DeLisle Emily Howard (voice) Kel Mitchell T-Bone (voice) Cree Summer Cleo (voice) Gary LeRoi Gray Charley (voice) Cam Clarke Mac Handover (voice) Kath Soucie Jetta Handover (voice) Season 1 80 Episodes 2000-09-04 Season 2 50 Episodes 2002-05-16