Forgive & Forget Clifford the Big Red Dog : Season 1 Episode 77

When Clifford forgets a play date, Cleo gets really upset. After all, she would never do that to a friend. Cleo won't even accept Clifford's apologies. But T-bone points out to Cleo that maybe she is the one who isn't being a good friend. After all, Clifford did apologize – and a good friend would never hold a grudge. Cleo learns that good friends forgive (and forget!).