Hugsy from Friends can be seen in the background of the living room.
The bus driver, Dottie, is played by Ja'net DuBois who was a main character on Good Times in the '70s.
When Frank finds out that Ally is the one who is the bully, he happily chants "Ally, boma ye!" This is a reference to the famous "Rumble in the Jungle" fight between Muhammad Ali and George Foreman. During the fight, the crowd, which constituted mostly of Ali supporters, chanted "Ali, boma ye!", which means "Ali, kill him!" in Lingala language.