Watch See all »
In the second-season finale, Barney finds out at Lily and Marshall's wedding reception that Ted and Robin have a big secret, and he tries to get it out of them. Grandma Lois: K Callan. Waiter: Mark Cirillo. Lucille: Scarlett Lam.
Trending TonightSee all »
The man who plays Abraham talks about what to expect in Season 7