The evil genius Karl sets out to destroy King Julien. When both Clover and Maurice are captured, King Julien must save them from his new nemesis.

Julien finds a bag of coffee beans in the Cove of Wonders and gets the entire lemur community hooked on caffeine.

The Sky God demands that King Julien be sacrificed to appease it. Disturbed by this revelation, King Julien creates his own new god.

King Julien tries to get rid of his parents, but when evil Karl traps them in the Love Gauntlet they must prove their family's strength to survive.

The gang joins King Julien at his Lemur School Reunion, but the party gets out of control when his old prom date, Karen, shows up for revenge.

When Masikura convinces King Julien that the island is sinking, Julien believes building an ark is the only way to save his people.

When Detective King Julien searches for a missing Butterfish, he notices lemurs acting strange all around and realizes he has a serious mystery on his hands, so he must get the Mystery Solving Team back together.