Clifford's Really Big Movie 2004

Synopsis:

Fearing that he costs too much to feed, Clifford decides to join a traveling carnival so he can enter a talent contest in hopes of winning a lifetime supply of Tummy Yummies treats. Joined by his friends Cleo and T-Bone, Clifford meets up with Shackleford the High-Flying Ferret and Rodrigo Chihuahua of Steel, as they work together to turn a broken-down act into a record-breaking show.

Directed by: Robert C. Ramirez
Written by: Robert C. Ramirez & Rhett Reese & Norman Bridwell
Release date: 2004-02-20
Runtime: 74 minutes
Critics score:
Tagline: Get ready for Clifford's Biggest, Reddest, Most Amazing Movie!
Cast:
John Ritter
John Ritter
Clifford the Big Red Dog (voice) 
Wayne Brady
Wayne Brady
Shackelford (voice) 
Grey DeLisle
Grey DeLisle
Emily Elizabeth (voice) 
Jenna Elfman
Jenna Elfman
Dorothy (voice) 
John Goodman
John Goodman
George Wolfsbottom (voice) 
Jess Harnell
Jess Harnell
Dirk (voice)