- When Opposite Timmy says "Look, I don't care about you or your train-wreck teeth.", after he leaves Chester says to AJ, "AJ we have a problem.", referencing the famous phrase.
- Mark Chang has a picture cameo on Timmy's wall.
- When Opposite Tootie tells Opposite Timmy she doesn't like him, a quieter version of La La La Love!'s instrumental is heard
- Opposite Timmy's eyes are sometimes blue instead of red.
- When Crocker fires the Opposite Ray, it's green. But when Chester puts it in reverse and fires it at Opposite Timmy and Tootie, it's a red blast. Though it could be that when in reverse, the blast is red.