Late Show with David Letterman Season 9 Episode 149
Gillian Andersen, Jonathan Katz
With Biff on vacation, Steph/Monty handles the pushpins live via telephone; during Mailbag, Paul demonstrates a hidden talent for cartwheels, and then mysteriously disappears; a Mother's Day tradition is started when the moms of ten celebrities present the Top Ten list; Dave and Gillian Anderson make out.