"The Slutty Pumpkin Returns" -- Ted (Josh Radnor) and Naomi (Katie Holmes) revisit the rooftop Halloween party where they first met on HOW I MET YOUR MOTHER, Monday, Oct. 31 (8:00 - 8:30 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS √?¬© 2011 CBS Broadcasting, Inc. All Rights Reserved.