"Dragon Ball Super: Broly" is a 2018 anime film that expands the Dragon Ball universe, focusing on the origins and conflict surrounding the legendary Saiyan warrior, Broly. The narrative begins with a flashback to the destruction of Planet Vegeta, revealing the political and social dynamics of the Saiyan race under Frieza's rule. King Vegeta, fearing Broly's immense latent power, exiles him and his father, Paragus, to a distant planet. Decades later, Frieza, now resurrected, orchestrates a plan to harness Broly's strength by manipulating Paragus into seeking revenge against the Saiyan royal family.

The story shifts to Earth, where Goku and Vegeta are training under Whis and Beerus. Frieza's forces locate Broly and Paragus, bringing them to Earth under the guise of retrieving the Dragon Balls. A confrontation ensues, with Broly's uncontrollable power escalating into a full-scale battle. Goku and Vegeta initially struggle against Broly's raw strength, leading them to employ their Super Saiyan God and Super Saiyan Blue transformations. Despite their efforts, Broly's power continues to grow, fueled by his rage and the harsh conditions of his upbringing.

As the battle intensifies, Frieza's true motives are revealed: he aims to use Broly as a weapon to eliminate Goku and Vegeta. The fight reaches a critical point when Broly transforms into a berserk state, overwhelming both Saiyan warriors. Goku, recognizing the need for a new strategy, taps into the power of Ultra Instinct, a heightened state of combat awareness. Meanwhile, Vegeta distracts Broly, allowing Goku to prepare a decisive attack. The conflict is ultimately resolved when Cheelai and Lemo, two of Frieza's underlings, intervene to save Broly from further exploitation, using the Dragon Balls to transport him to a safe location.

The film concludes with Broly finding peace on a new planet, while Goku and Vegeta reflect on the encounter, acknowledging Broly's potential as both a threat and a potential ally. The narrative emphasizes themes of redemption, the consequences of power, and the complexities of Saiyan heritage, while introducing Broly as a canonical character within the Dragon Ball Super timeline.