Copycat is a combination of Dean Martin and Marvel's Multiple Man.
When Manolo is trying to get a car going, he says "No va" (doesn't go).
This is dredging up a urban myth about Chevrolet Novas not selling in Mexico.
At the end of the episode, Hank is caught talking to Sirena on the balcony outside her bedroom by the Whale Fleas. He casually steps off of the balcony backwards in an obvious homage to Back to the Future II (1989). Marty did the same when caught on the roof of Biff's casino. Both Hank and Marty jumped to their flying vehicles.
When The Monarch enters the room looking for his wife, Donald Trump can be seen as one of the guests, in the upper right.