Gillian Andersen, Jonathan Katz

Late Show with David Letterman – Season 9

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.