Honestly pics won't do it justice, it needs to be a vid cause you want to capture the moment when he squeals really high pitch, more so than the Chipmunks. Then says his favorite line; "Oh my god, what the heck" followed by a NOOOO WAY. For a 5yo, you really can't help but laugh. As for proving it, I too lazy to sort through the family vids I'll wait till xmas time to capture the next one.