Jensen cracks me up.
I think
the two things that amused me most were
1) His Michael Jackson imitation (which was pretty darn good as well as being hilarious)
2) SPOON HANGING!!!!!*
3) Also, his ad lib about the box in the hole. Hee!
*Spoon hanging was very popular when I was a kid and my mom and her sister and all us cousins would get together and stay up way too late and the moms would let us sample the wine. There's a technique and a skill to winning a family spoon hanging competition. I am highly amused that Jensen, too, has seemingly honed this skill. It is invaluable on a resumé.