Ioki's story (which is a martial-arts theme) parodies the 1972 TV series Kung-Fu and the 1973 film Enter The Dragon.
Hoff's retelling is a homage to the 1972 film Lady Sings the Blues.
The portrait that Hoffs is looking at in the dressing room is Ray Parker Jr. Parker is best known for performing the 1984 hit Ghostbusters.
This is the last episode that all the main characters appear in together.
Hanson's retelling of how he saved the senator in a Charlie Chaplin-Style would later become basis of the 1993 comedy-drama film Benny & Joon.