After escaping Africa, they find themselves in Monte Carlo, where they try to blend in with the locals. But their wild antics attract the attention of Captain Chantel DuBois, an animal control officer obsessed with capturing Alex.
To escape her pursuit, the animals join a traveling circus and embark on a European tour, performing across various countries. They encounter a diverse cast of circus performers, including a charismatic jaguar named Gia and the flamboyant Vitaly the tiger.
Along the way, Alex discovers his inner rockstar and leads the circus in a spectacular musical performance at the Eurovision Song Contest.
Meanwhile, Marty's unwavering belief in his "destiny" leads him to a surprising discovery about his past, and Melman finds himself unexpectedly falling for Gia.
As their fame grows, the animal control officer closes in on them, leading to a final showdown in Monte Carlo.
The film ends with Alex and his friends finally making it back to New York, realizing that "home" is wherever they are with each other.