Harley Quinn (TV Series) Episode: The Final Joke

"The Final Joke"

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"Devil's Snare" (February 14, 2020)	"New Gotham" (April 3, 2020)

The Final Joke is an episode of season 1 of Harley Quinn . It premiered on February 21, 2020.

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Joker's greeting card is a reference to the episode "Surf's Up! Joker's Under!" from the 1966 television series Batman.
At the end of the episode, the Joker's explosives cause an enormous magnitude 8.6 earthquake in Gotham City that destroys the city's infrastructure. This is based on the comic event Batman: Cataclysm, which resulted in the Batman: No Man's Land storyline. No Man's Land was also the crossover event that introduced Harley Quinn to the comic continuity in Batman: Harley Quinn.
- The fact that the Joker is responsible for the creation of No Man's Land in the Harley Quinn series appears to be an allusion to the Gotham episode "A Dark Knight: No Man's Land", in which the show's version of the Joker also used explosives to cause the No Man's Land event.

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