Frankie: Brick, every time you sign up for something, I end up doing it.
Brick: That's not true.
[flashback:]
Brick: Mom, I entered the science fair.
[Frankie adds baking soda to a bowl filled with distilled vinegar while Brick reads]
[flashback:]
Brick: We're having a party for Mr. Peterson's retirement. I signed up to write him a song.
Frankie: [sings] Mr. Peterson, you were really fun We're gonna miss you a ton Mr. Peterson Whoa, whoa, whoa...
[present:]
Brick: You won't have to do a thing this time. I promise. All I need is your signature. Or I could have Axl do your signature. He's really good at it.