The kid who plays Young Al (Edan Gross) previously played Carl, the kid who sits on Al's lap in Season 2's Christmas episode, "You Better Watch Out."
Features one of the extremely rare incidents in which Peggy refuses Sex offered by Al. The only other times in which this occurs are "The great escape" (season 2) and "Requiem for a dead Barber" (season 3)
The librarian De Groot (played by the great Lu Lenard who also played a number of notable overweight characters going all the way back to The Three Stooges) calls Al "The Freddy Krueger of the library system." Robert Englund who played Krueger in 8 films spanning from 1984-2003 guest starred in the Season 11, Episode 21 "Damn Bundys" as the Devil.