Season 02, Episode 11 – “Symbiote War Part One – Wild World”
Symbiotes overrun Groot’s homeworld, Planet X, in an attempt to get Groot’s restarted World Pod for themselves and conquer the galaxy.
Season 02, Episode 12 – “Symbiote War Part Two – I Will Survive”
As a comet covered in Symbiotes hurls toward Spartax, the Guardians must team up with Quill’s sister to save the planet.
Season 02, Episode 13 – “Symbiote War Part Three – Thunder Road”
When the Symbiotes escape to Asgard and venomize Thor, Odin and the other Asgardians, it is up to the Guardians to save them, the World Tree and all of existence.