Ep 4. Red Dawn

In this episode of X-Men: The Animated Series season 2, titled "Red Dawn," tensions rise between the X-Men and the government after a mysterious armored figure attacks a military base. The figure is revealed to be Colossus, who has defected from the team and is working with the Russian government. The X-Men must navigate this new threat while also dealing with the fallout of Colossus' betrayal.

As the episode begins, we see Colossus arrive in Russia and meet with a high-ranking official. He is given a suit of armor and a mission to infiltrate a U.S. military base and steal a new weapon. Meanwhile, the X-Men are alerted to the attack and arrive on the scene. They soon realize that the attacker was using Colossus' trademark moves and begin to suspect that he is involved.

Back at the X-Mansion, Professor Xavier tries to contact Colossus telepathically but is met with resistance. He is forced to enlist the help of a Russian mutant named Omega Red, who has a personal vendetta against Colossus. Together, they are able to track down the defector and confront him at the base.

The resulting battle between the X-Men, Colossus, and Omega Red is intense and emotional. The team is forced to use all of their resources to take down their former teammate, but in the end, Colossus escapes with the stolen weapon. The X-Men are left to deal with the fallout of his betrayal and the realization that they may have lost one of their own for good.

Overall, "Red Dawn" is a thrilling episode that showcases the complex relationships between the X-Men and the government, as well as the tension that arises among the team when one member defects. The action is fast-paced and engaging, and the emotional stakes are high. Fans of the series will not want to miss this pivotal episode in the show's second season.