The kid at the water fountain with Frank towards the beginning of the episode (after the gang signs the waivers) is played by Rob McElhenney (Mac) and Kaitlin Olson's (Dee) son, Leo McElhenney.
One of the animal costumes worn by the band is actually the old 'Rockin' Robin' mascot for Wrexham AFC (the Welsh football team Rob McElhenney owns with Ryan Reynolds). Rockin Robin was replaced by the current Red Dragon mascot in the early 2000s, but is still well-loved by fans
Every person in the arcade, with the exception of the gang, has on no shoes with red socks. This is never explained.
Risk E. Rat is a parody of Chuck E. Cheese.