What IS Groot, exactly, and what secrets is he hiding every time he says “I Am Groot”? Visit http://expressvpn.com/bigq right now to get an extra three months for free!

Groot remains the most mysterious character in the Marvel Cinematic Universe. But what is the mysterious “Alpha Groot” form teased by Vin Deisel, and what final growth stage will Groot reach in Guardians of the Galaxy Vol 3 or Thor 4? In this episode of #BigQuestion, Erik Voss and Filup Molina break down everything we know about Groot — his biology, language, origin, and future. Could Groot grow to a giant size in Marvel Phase 4? How does Peter Quill understand Groot’s language after needing Rocket to translate in the first Guardians of the Galaxy? And what real life biological phenomena inspired Groot’s character design?