Late Show with David Letterman S20E20 · Eric Stonestreet; Christopher “Mad Dog” Russo; Brandon Bennett; Norman, the Bicycle-Riding Dog

Late Show with David Letterman

Season 20 · Episode 20 · Eric Stonestreet; Christopher “Mad Dog” Russo; Brandon Bennett; Norman, the Bicycle-Riding Dog

From "Modern Family", actor Eric Stonestreet; Trick: Norman will ride a scooter; from Sirius XM Radio, Chris "Mad Dog" Russo; a performance by Elvis tribute artist Brandon Bennett.