"I Am Groot", baby to teen, I am an extra-terrestrial tree root with amazing regeneration abilities. As a key member of the Guardians of the Galaxy force Groot has starred in Marvel movies in the Cinematic Universe with superhero friends Rocket Raccoon, Star-Lord, Drax and Gamora. Together they appear in movies including the Guardians of the Galaxy Volumes one and two (2014, 2017) and Avengers: Infinity War (2018). Watch this little tree stump grow up from a seedling to a sapling and beyond!