Scott Rayow

Based on the trading card and television series phenomenon,Yu-Gi-Oh! is the story of Yugi, a boy captivated by the card game sweeping the nation: Duel Monsters! (Warner Bros.)

The lean, mean, green fighting machines are back in an all-new action-packed series! Leonardo, Raphael, Michaelangelo and Donatello must save New York City from the evil crimelord Shredder and his assistant, Baxter Stockman. The turtles must fight off Foot Soldiers, Mousers, and gangs and get help from their sensai Splinter, friend April O'Neil, and companion Casey Jones. (imdb)

Essentially, G.I. Joe: Sigma 6 is a continuation of the two direct-to-video G.I. Joe CGI movies, G.I. Joe: Spy Troops and G.I. Joe: Valor vs. Venom, both films produced by Reel FX Studios. Several references are made to events from Valor vs. Venom, such as Cobra Commander being captured and in prison, Overkill recovering from his injuries, and General Hawk suffering a change in his DNA. Snake Eyes continues to have Kamakura and Jinx as his apprentices.