Ep 1. Cousin Sid

In this exciting season four premiere of Teenage Mutant Ninja Turtles, the Turtle team faces a blast from the past when Leonardo's long-lost cousin Sid comes to town. But Sid's arrival is far from a happy reunion, as the determined young turtle hijacks the Turtles' high-tech fortress and sets his sights on revenge against the Foot Clan. As Sid's fearsome powers grow stronger with each passing day, it's up to Leonardo, Donatello, Raphael, and Michelangelo to stop him before he unleashes a devastating attack on their beloved city.

As the Turtles scramble to uncover the truth about Sid's sudden reappearance, they stumble upon a shadowy plot by the Foot Clan to revive their defeated leader, the Shredder. With the villainous organization gathering its forces for a massive assault on New York, the Turtles must race against time to foil their plans and prevent Sid from becoming a pawn in their deadly game.

As tensions reach a boiling point, the Turtles find themselves pushed to their limits as they face off against fearsome foes both old and new. With the fate of their beloved city hanging in the balance, the Turtles must summon all their strength, skill, and courage to emerge victorious against the odds. From rooftop battles to high-speed chases, this action-packed episode is sure to keep fans on the edge of their seats from start to finish.

With its trademark blend of humor, heart, and high-octane action, Teenage Mutant Ninja Turtles season four promises to be an unforgettable ride for fans old and new. Whether you're a longtime follower of the Turtles or a newcomer to their world, you won't want to miss a moment of this thrilling new chapter in their saga. So grab your pizza, gear up your weapons, and get ready to join the Turtles as they take on their toughest challenge yet in Cousin Sid!