Air Bud (1997)

Continuity mistake: When the kid rescues Bud from his former owner, Bud's paws become all muddy when the faucet breaks. In the next scene they are running down the road and Bud's paws are clean.

Continuity mistake: During the basketball game at the end of the movie watch the time on the scoreboard. One view of the score board shows 30 secs and the next view of the kid dribbling down court with the scoreboard in the background shows like 10 mins left.

Revealing mistake: Before Josh tells his mom about Buddy, Buddy starts to push the basketball with nose down the stairs. While he is doing this, you can see the treat put there just before the ball moves.

Referee #1: Ain't no rules says a dog can't play basketball.
Coach: This is a joke, I mean dogs don't play basketball!
Chaney: What's the matter, afraid your team might get beat by a dog?
Coaches: Put him in.

Referee #1: Does he dribble?
Arthur Chaney: No, but he might drool a little bit.