Multiple references of the three stooges
The Simpsons are seen driving a flying car like Chitty-Chitty-Bang-Bang in the opening.
Mentioned by Bob Costas in connection with Ivan Reitman
Homer's line, "This bromance just got interesting," is from the episode Waverly Hills 9-0-2-1-D'Oh! (20.19)
The Native American medicine woman makes a cameo appearance.
Spoofed in the Olympic pin seller's dream sequence as "Lara's Theme' is heard
The patrons at Moe's watch a Quidditch match, taken from "Harry Potter and the Necklace of Amulets," on the TV.
Spoofed in the "Real Housewives of Shelbyville" program that Marge watches on TV
Spoofed as Bob Costas introduces the opening ceremonies and "Ghostbusters" is sung over the P.A.