From CBS's official press release:
When Ted makes a list of things he says the gang is too old to do, Barney tries to complete everything on the list in one day, on
How I Met Your Mother, Monday, March 30.
When Barney hears that Ted has made a list of things he feels the gang is too old to do, he attempts to complete every task on the list within 24 hours to prove Ted wrong, on
How I Met Your Mother, Monday, March 30 (8:30-9:00 PM, ET/PT) on the CBS Television Network.
How I Met Your Mother stars
Josh Radnor as Ted,
Jason Segel as Marshall,
Neil Patrick Harris as Barney,
Alyson Hannigan as Lily, and
Cobie Smulders as Robin.
Source: CBS
(Image courtesy of CBS)