Shirt Cannon 3000 and Shirt Squirt is a short from the episode Dark Knight at the Museum / Lemming Snicket's A Series of Unfortunate Video Game Deaths.
Transcript:[]
"T-shirts! Get your t-shirts!"
Lady: I'll take one!
Lady 2: Me too.
Guy: I'll take one, whoa! I'm right here, no need for a cannon.
"Good point."
Guy: You have one in a small?