Kara, devastated by the loss of Krypton, struggles to adjust to her new life on Earth. Superman mentors her. Meanwhile, she must contend with a mysterious group called the Dark Circle who searches for a powerful weapon held in the Academy's vault.

The early years of the Madagascar heroes Alex the Lion, Marty the Zebra, Melman the Giraffe and Gloria the Hippo, as they grow up in a rescue habitat at the Central Park Zoo.

Melman the Giraffe meets Hank, a goose who has been separated from his family and along with his friends, they embark on a wild goose chase around the city to reunite Hank with his merry flock.