Recruited soldiers escort Army intelligence to investigate Cobra's facilities and are surprised by what they find.

Cobra's medical facility is raided by the Joes, who are searching for Patient X.

The Joes head to New York to find a missing kid. While investigating, they encounter a Sewer Viper being pursued by a Mindbender.

Flint gets help from Heavy Duty to capture Roadblock. Meanwhile, Major Budd seeks revenge against the Joes.

A series of earthquakes alerts the Joes to a network of tunnels Cobra is constructing to link its strongholds around the country.

Cobra plans to increase its power by deploying the MASS device, but Scarlett plays a key role in its operation.

The Joes attack Cobra to stop the use of a dangerous device, expose its owners and clear the team's name.