"Maxin' and Relaxin'," the sixth-season premiere of Regular Show, follows Mordecai's efforts to retrieve a childhood mixtape while navigating extreme embarrassment caused by his mother. The episode features Katey Sagal as the voice of Mordecai's mother, Hilary, and highlights a confrontation with past "Mordy Moments" that forces a reconciliation with his childhood. For more details, visit Regular Show Fandom Wiki .