[s1e21] Return To New York: Part 1 May 2026

As the team reaches a higher floor, they discover a filled with large tanks containing liquid and bizarre organisms. The episode ends on a cliffhanger as an alarm sounds and three monstrous, mutated Shredder clones emerge from the tanks to confront them. Episode Details Series: Teenage Mutant Ninja Turtles (2003) Air Date: September 27, 2003 Available on: Paramount+ and IMDb Return to New York, Part 1 (2003 TV series episode)

After initially being overwhelmed by the invisible attackers, the Turtles adapt. They use fire extinguishers to coat the area in dust, revealing the ninjas' silhouettes, and Donatello uses electro-magnetic shurikens to short-circuit their cloaking devices. Key Reveal & Cliffhanger [S1E21] Return to New York: Part 1

Using the Battle Shell as a remote-controlled decoy to draw Foot Clan forces to the lower levels, the Turtles sneak into the building through the sewage system. As the team reaches a higher floor, they

The group arrives at their old lair to find it deserted, realizing the Shredder believes they are dead—an advantage Splinter insists they use to launch a surprise attack. They use fire extinguishers to coat the area