Jason Lee Scott is a fictional character in the Power Rangers franchise, played by actor Austin St. John.

At the beginning of Mighty Morphin Power Rangers, he and his closest friends Zack Taylor, Billy Cranston, Trini Kwan and Kimberly Hart are selected by Zordon and Alpha 5 as the five "teenagers with attitude" to become the original Power Rangers and defend Earth from the forces of the evil Rita Repulsa.

Following the failure of destroying the Green Candle, Tommy entrusts Jason with his Power Coin to prevent it from falling into Rita's hands again, allowing him access to the Green Ranger's powers (including the Dragon Shield and the Dragon Dagger, which also allows him to call the Dragonzord to aid the Rangers, even while Jason controls the Megazord).

Later, Jason plays a gambit against Goldar, who had kidnapped the parents of Angel Grove High's students, then ransoms them for the Ranger's five Power Coins.

Choosing to capitalize on Jason's vulnerability, Zedd creates candles for Zack, Billy, Trini and Kimberly that would remove their links to the Morphing Grid, just as Rita did to Tommy.

Following the victory, Jason wins a martial arts trophy and dedicates it to Tommy, who soon after returns as the White Ranger and is named the new leader of the team by Zordon.

[9][10] Some time later, Jason, Trini and Zack are chosen to act as ambassadors at a Peace Conference in Switzerland (after the actors playing the characters left the show over contract disputes, the characters simply being shown in their Ranger uniforms, using old footage, or with doubles who were never directly facing the cameras, until the transfer could be incorporated into the plot of the show), and are forced to leave the team.

After being restored to normal by Lerigot, he once again fades into the background, with Jason's appearance in the film being replacing the injured Rocky in a martial arts tournament and ultimately winning the match, alongside Tommy and Adam.

Jason returns in Season 2 of Power Rangers Beast Morphers, in the special episode "Grid Connection".

The MMPR main team and the Dino Thunder Power Rangers come back to assist him against the army led by Goldar Maximus.

Jason was part of the reunited Mighty Morphin team who fought Robo-Rita in the battle that ended with Trini's death.

Because St. John had his passport suspended for his alleged illegal activities, he did not reprise his role, so Jason does not appear unmorphed except in archive footage.

Jason marries Kimberly Hart, and their marriage lasted eight hours until Farkas Bulkmeier and Eugene Skullovitch seemingly revealed their location to the police force.

Jason appears as the main protagonist (arguably alongside Kimberly and Billy) in the 2017 reboot film, played by Australian actor Dacre Montgomery.

When they experience sudden bursts of strength and speed, (along with having Jason's knee heal overnight), the five return to the place where they found the coins and discover Zordon and Alpha 5 in the spaceship buried underground.

Although skeptical at the story presented by Zordon, Jason soon accepts his role as leader and works to rally the team, even daring to confront Rita Repulsa when they have yet to master their powers.

Later in the series, Jason, Trini and Zack leaving for the "Peace Conference" is revealed to be a cover story for their new role as the Omega Rangers, using ancient powers to act as agents for the Morphing Masters to track down residual damage caused by Drakkon's attack.