In order to obtain the next BattleKey, Spinner and Sherman work together and face off against an evil junkyard dog.

Vert goes undercover as a Vandal to uncover their secrets of the BattleZone.

Stanford becomes friends with a shifty character named Zug. The Battle Force 5 is worried that he might be losing focus.

Stanford discovers that he's the descendant of a famed multiverse explorer and ruler. This inspires him to challenge Battle Force 5's leadership structure and make a peace pact with The Vandals, but can they be trusted?!

Zoom is injured while the Battle Force 5 is battling in a Battle Zone. Now the rest of the team must find a plant to get the antidote for Zoom.

The Battle Force 5 and the Vandals are forced to fight against each other, and fellow teammates, in a battlezone run by a deranged, red Sark named Tors-10.

When Sage needs to be updated, she is taken to a battlezone in the Mobi. But while downloading new files, the team encounters Zemerik who is trying to take control of both Sage and the Mobi.

Picking up from the first season finale, Krytus begins the search for his teammates.

Krytus frees the rest of his team and the Battle Force 5 must master the fusion process in order to defeat the Red Sentient 5. The combination SkyKnife debuts.

The Battle Force 5 search a Mobi wreck for important Sentient Data Logs. The problem is that the wreck is at the bottom of the Vandal Ocean. The combination Tangler Command Center debuts.

A new Vandal shows up and challenges Kalus for the title of Vandal Warlord: Grimian! The combination SmashClaw debuts.

Battle Force 5 learn from Zemerik that there is a rebellion against the Red Sentients on one of the Red Sentient moons. Tezz Volitov joins the Battle Force 5! The Splitwire debuts.

The team have to search for and destroy the Double-Helix Crystal. Stanford must overcome his insecurity whenever he fails, and Vert learns that he plays an important role in a Sentient legend called the "Crimson One". The combination SonicSlash debuts.

The Battle Force 5 decide to hunt down the Red Sentients' re-spawn chambers. Tezz must overcome his arrogance as Sage deals with Stanford's superstition. The combination ShockBlade debuts.

When the team escapes into a desolate zone, they discover a Diad collecting Blue Sentient shells. But when the Diad is captured by a pursuing Kyburi, they must rescue him from the Red Sentient homeworld before the Reds learn of his mission.

The team must locate a terraforming device which could restore Blue Sentient civilization, and the Ice Zone it's in prompts Vert to bring in a new recruit. A.J. Dalton joins the Battle Force 5! The GearSlammer and the combination RigSaw debut.

The Battle Force 5 search for a way into the Red Sentient Homeworld, only to end up on the Vandal homeworld. Tezz learns compassion and to be more of a team player, as he and Vert discover the Vandals' most important secret: their vehicles are being built by an enslaved race of super-engineers.

When a freak accident causes Sherman and Grimian to switch minds, the Battle Force 5 must rescue Sherman from the Vandals and pull himself together before Grimian relays Earth's coordinates to Krytus.

Battle Force 5 must enlist the aid of the Order of the Flying Fists to drive the Red Sentients away from Earth. Zoom's former master is more than what he seems.

To prevent Krytus from locating Sage, Battle Force 5 enlist the aid of pro racer and Indianapolis 500 winner Dan Wheldon in order to destroy the scanner that's being used to search the Multiverse.

Battle Force 5 meet Rawkus, a golem responsible for maintaining the balance of the Multiverse. Can Zoom gain his trust when the Red Sentients steal his Power Core Stone?

Rawkus brings Vert and Zoom to the Shadow Zone to find the lost minds of the Blue Sentients. The key, however, lies within Sage.

The Battle Force 5 must find and rescue the legendary and nearly extinct Magmatrox before the Red Sentients hunt it down!

The Battle Force 5 race against time to save Sage's mentor, Sol.

Under the pretense of stopping Krytus from upgrading the Red Sark, the Battle Force 5 ally with Zemerik on a mission to an ancient Sark Factory. However, Zemerik has other plans for the factory. Meanwhile, a lightning strike permanently fuses the Buster and Tangler.