Number 5 in our Late Night Countdown! Channing Tatum sure looks like Sara's bestie Susie Callahan on that Teen Nick show, "Ew!"
Number Four - Tom Hanks's slam poetry about Full House.
Number Three: Justin Bieber and Jimmy face off to settle their beef with some epic competitions and one epic juice break.
Number Two: Jimmy and President Obama slow jam the news at our UNC-Chapel Hill show!
And our #1 Late Night moment from 2012: Jimmy, Mariah Carey, and The Roots perform the holiday classic, "All I Want For Christmas Is You."