"A Regular Epic Final Battle" (subtitled "Part 1" and "Part 2") and "The Power" form the three-part series finale of the American animated television series Regular Show. It originally aired on Cartoon Network in the United States on January 16, 2017. All parts are 11 minutes long. The finale follows Mordecai, Rigby and their co-workers assisting their friend Pops in the final battle against Pops' evil twin, Anti-Pops to prevent the destruction of the universe.

1.33 million viewers watched Part 1 and 1.37 million viewers watched Parts 2 and 3, making it the most viewed episode of the eighth season.