“Who Wants To Be A Godparent” â When Lily and Marshall canâÂÂt decide on godparents for Marvin, they put the gang to the test to see who would make the best one, on HOW I MET YOUR MOTHER, Monday, Oct. 15 (8:00-8:30 PM, ET/PT) on the CBS Television Network. Pictured left to right: Jason Segel, Alyson Hannigan, Josh Radnor, Neil Patrick Harris and Cobie Smulders Photo: Cliff Lipson/CBS é2012 CBS Broadcasting, Inc. All Rights Reserved.