LL Cool J, Alyson Hannigan, Benedict Cumberbatch Late Night with Jimmy Fallon : Season 2013 Episode 77
TV-14 NBC 1h 00m
Aired: March 13th, 2013 @ 12:35 PM EST on NBC
From "NCIS: Los Angeles", actor/musician LL Cool J; from "How I Met Your Mother", actress Alyson Hannigan; from "Star Trek. Into Darkness", actor Benedict Cumberbatch; LL Cool J performs.
