The film follows Batman, who, after saving Gotham City once again, is confronted by the idea of having to work as a team to overcome greater challenges. Batman initially rejects the notion of teamwork but eventually realizes that he can’t do everything on his own.
In the climax, Batman teams up with his allies, including Robin (voiced by Michael Cera), Batgirl (voiced by Rosario Dawson), and Alfred (voiced by Ralph Fiennes), to stop the Joker’s (voiced by Zach Galifianakis) plan to destroy Gotham City. The Joker surrenders himself and allows Batman to send him to the Phantom Zone, a dimension where the most dangerous villains are imprisoned.
As Batman sends the Joker away, he realizes that he needs to let go of his fear of forming connections with others. He acknowledges the importance of teamwork and family. Batman, with the help of his allies, successfully thwarts the Joker’s plan and saves Gotham City once again.
In the aftermath, Batman adopts Robin as his son and accepts Batgirl as a new member of the Bat-family. The movie ends with Batman and his newfound family embracing their roles as a team and working together to protect Gotham.
The film also addresses Batman’s loneliness and fear of losing those close to him. Batman learns that by trusting others and forming connections, he can find fulfillment and happiness.
“The Lego Batman Movie” received positive reviews for its humor, animation, and its clever homage to the Batman mythos. The ending reinforces the importance of friendship, teamwork, and embracing the people who care about you.