Guardians of the Galaxy Season 3 Episode 16 Black Vortex, Part 3 Episode Title:Black Vortex, Part 3.Episode Description:With Groot in danger, the other Guardians follow the branches he left for them to the exit. I Melt With You: Star-Lord appears in a claymation dimension where he must work to turn the Milano around before it heads into the Sun. Though his arm detaches and Star-Lord duels with it so that he can get it reattached before he is melted by the Sun. Getting in Toon: Rocket Raccoon ends up in a retro black and white cartoon dimension where an alien woman calls Ronan the Exterminator to get rid of him. Drax catches up with Rocket as they work to keep Ronan from getting their branches of Groot.