R.O.C.K. in the U.S.A.!!!!!

No. It's Peter Pan. Link: https://www.youtube.com/wat…

Oscar the Grouch would definitely be Winston Wolfe.
Marcellus… Big Bird?

Thinking about the tail end of Angel always bums me out.  The rushed nature of the last few episodes and even most of the finale… Sigh.

For the benefit of your nephew, you may want to look at the "difficulty rating" that he's playing with.  I love PANDEMIC, but using all of the included epidemic cards makes the game nearly impossible.  It's enough to make seasoned gamers get frustrated.