Norville loves to sing but his constant off-key clamor is driving everyone bonkers. When a snowstorm prevents Shun, Emily Elizabeth, and Nina from playing outside, the three are very bored.
The kids are invited to leave their handprints in the cement at the new Birdwell Island recreation center, but Clifford encounters a problem! Clifford is blamed for the mischief of a not very well-behaved dog named Bob.
After Vaz rips his pants during a soccer game, everyone helps him feel better by sharing their own embarrassing stories. After losing her lucky stone, Emily Elizabeth loses her confidence.
A new dog moves to Birdwell Island and is envious of Clifford's size. Clifford makes friends with T-Bone, but realizes that some adjustments must be made to accommodate their size difference.
In flashback we see how Cleo shook things up when she first moved to the island. Cleo gets a new doggie playground and suddenly Mac is her new best friend and she starts ignoring Clifford and T-Bone!
Clifford accidentally breaks a present he was supposed to deliver for Emily. After Emily grooms Clifford in preparation for Prize Pooch Magazine's "Dog of the Year" contest, he is expected to "stay clean" until the contest.
There is a new dog in town and he has only three legs. Clifford, Cleo and T-Bone really like K.C., but they feel uncomfortable and unsure of how to act and what to do. Clifford's talent for digging seems to be disruptive to everyone in town.
Clifford and Jorge are reminiscing about the day they met. When Clifford realizes how much fun Emily Elizabeth is having in her new club at school, he decides to start one with all of his friends in the apartment complex.
Emily Elizabeth keeps putting off the responsibility of cleaning her room. T-Bone thinks he is responsible for getting Mac in trouble and goes overboard to help him in any way he can.
Jetta feels a twinge of jealousy when the other children make a fuss over Emily Elizabeth's wonderful big pet Clifford. Vaz is new at being a paperboy and is struggling with getting the papers onto people's doorsteps.
The beginning of the new school year brings new neighbors for the Howards. The kittens, Flo and Zo, are staying with the Howards while their owner is away for the weekend.
When an older dog, Tricksie, moves into the apartment complex, Clifford and Jorge unsuccessfully try to get her to join in their dog games. Clifford misses Emily Elizabeth when she attends her first sleepover.