where three high school students—Conner, Kira, and Ethan—are recruited by a new science teacher, Dr. Tommy Oliver (a returning Power Ranger), to become the Dino Thunder Rangers and fight the dinosaur-themed villain Mesogog. The season is known for its dinosaur theme, the return of Tommy Oliver as a mentor and the Black Dino Ranger, and the introduction of the White Dino Ranger, Trent. It's considered a fan-favorite season, praised for its strong characters, storylines, and connection to the franchise's history.