There's a party at Superjail! and everyone's invited. Superjail! season 4 premieres Sunday, June 15 at 11:45 p.m. ET/PT on Adult Swim. SUBSCRIBE: About Superjail!: Superjail! is Adult Swim's look at the harsh reality of prison life. Superjail is home to the worst criminals humanity has to offer, but their violence pales in comparison to the bubbly sadism of The Warden, who delights in inventing whimsical death machines to control his inmates. Together with his staff, which
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