The wig that Roger wears at the end is the same color and style as Wilma Flintstone from The Flintstones.
The scene where a skater had been intentionally injured, crying out "why, why?" is a reference to when Nancy Kerrigan was injured intentionally in 1994.
Francine has a tricorder-like device, "Is it the Olympics or Not?" with sounds taken from the NES version of Tetris.
The use of Klaus telling a story to his grandchild is a reference to 'The Princess Bride'.