David Duchovny / Rod Stewart

David Duchovny hosts the season 20 finale with musical guest Rod Stewart.<br> <br> <b>Sketches:</b> "The Beastman of Studio 8H," "You Think You're Better Than Me?," "Zagat's," "Prichard's General Store," "Ricki Lake," "Rock and Roll Realtor," and "Polar Bears."<br> <br> <b>Performances:</b> Rod Stewart performs "Leave Virginia Alone" and "Maggie May."