Superstars George Clooney and Arnold Schwarzenegger face off as the coolest--and the cruelest--villain to ever stalk Gotham City comes after its courageous caped crusaders, Batman & Robin. When the evil Mr. Freeze (Schwarzenegger) teams up with toxic Poison Ivy (Uma Thurman) to freeze Gotham City and destroy its residents, the end appears near for superheroes Batman (George Clooney) and Robin (Chris O'Donnell). But with the arrival of Batgirl (Alicia Silverstone), the dynamic duo becomes a transcendent trio in this fourth episode of the blockbuster theatrical series.