MARSHALL IS ON A MISSION TO FIND OUT WHERE LILY WENT WHEN SHE LEFT IN THE MIDDLE OF THEIR FIGHT, ON THE FINAL SEASON OF "HOW I MET YOUR MOTHER," MONDAY, MARCH 10Chris Elliot Returns as Lily’s Father Mickey"Daisy" — Marshall enlists Ted and Barney to help him figure out where Lily went when she left in the middle of their fight, on the final season of HOW I MET YOUR MOTHER, Monday, March 10 (8:00-8:30 PM, ET/PT) on the CBS Television Network. Chris Elliot returns as Lily’s dad.CHEAT TWEET: Will The Mosby Boys uncover Lily’s big secret? What do u think it is? #HIMYM 3/10 @8pm ET/PT http://bit.ly/1k60tfXSERIES REGULARS:Josh Radnor (Ted)Jason Segel (Marshall)Cobie Smulders (Robin)Neil Patrick Harris (Barney)Alyson Hannigan (Lily)Cristin Milioti (The Mother)RECURRING CAST:Bob Saget (Narrator)GUEST CAST:Chris Elliot (Mickey)Marshall Manesh (Ranjit)Suzie Plakson (Judy)William Zabka (Himself)Robert Belushi (Linus)WRITTEN BY: Carter Bays and Craig Thomas, co-creators and executive producersDIRECTED BY: Pamela Fryman