Adam guest starred in a Sesame Street spoof of CSI "Letter R Mystery".
Things that start with the letter "R" are disappearing all over Sesame Street. Luckily there's a
vacationing detective (Adam) on the case! The Sesame Street friends help him find the letter R.

Detective Alfie Betts, played by Adam, is on vacation on Sesame Street, enjoying a plate of raisin raspberry ravioli when Telly rushes in very upset that his robot and remote are missing. Then Leela enters looking for her rake and roses. When the raisin raspberry ravioli disappears too, Detective Alfie Betts decides it's time to investigate to find out why things keep going missing. He needs a team of detectives. Elmo and Abby quickly volunteer. By repeating the items that are missing, they realize that all of them begin with the letter R. Detective Betts is on the case!

Adam fulfilled a childhood dream by filming an episode of the classic children's TV series Sesame Street. The episode aired on November 11th, 2011. Adam said he was disappointed he was not able to see Oscar the Grouch but he did however meet the man behind him and Big Bird.