Alex Blake insinuates on the jet when discussing the family and the son's Asperger's syndrome that Reid may suffer from it too. Rossi smiles, potentially implying he may also think the same. In Broken Mirror (2005), the unsub Vincent Shyer profiled the entire team and said that Gideon hasn't profiled the autistic leanings of Reid.
Shelby Young had already auditioned for about seven episodes, but with no success. When she was cast for this episode, she was really excited, as she is a big fan of 'Alice in Wonderland'.
One day, Shelby Young was crying and screaming so much during filming that she temporarily lost her voice.