Audio problem: When Bart's dog is chewing on the TV remote, one of the shots on it is of "I Can't Believe They Invented It." with Troy McClure as the host. This is exactly the same shot from "Homer vs Lisa and the 8th Commandment". You can tell because Troy's voice is different. The lip sync is also out, revealing that the line "As an actor, my eyeballs need to look their whitest" is dubbed in.
Continuity mistake: This is a mistake for the introduction from seasons 2-20 (1991-2009). When Homer screams, he turns round. You see this in a wide shot. There are no boxes to the right of the door in the garage. However, two just appear out of thin air when he runs through the garage. (00:01:50)
TV Announcer: The Continental Soccer Association is coming to Springfield. It's all here: fast kicking, low scoring. And ties? You bet.
Bart: Hey Dad, how come you've never taken us to see a soccer game?
Homer: I don't know.
TV Announcer: You'll see all your favorite soccer stars. Like Arriaga, Arriaga II, Barriaga, Aruglia, and Pizzozza.
Homer: Oh, I've never heard of those people.
TV Announcer: And they'll all be signing autographs.
TV Announcer: This match will determine once and for all which nation is the greatest on Earth. Mexico or Portugal.