Episode name reference to/pun on: The Beatles song "A Hard Day's Night"
September 24, 1997
Craig McCracken (also art direction)
A Hard Day's Day is the first part of the 11th episode in the second season of Dexter's Laboratory. It originally aired on September 24, 1997. In this episode, Dexter tries to manipulative the moon's movement since it's blocking Saturn's "science waves." While doing do, he ends up obliterating his lab in the process.