The Mandalorian Season 3 trailer shows Din Djarin and Grogu back in action, but many fans are wondering why Din and Grogu reunited. The finale episode of Season 2 of the Mandalorian had Luke Skywalker taking Grogu to be trained as a Jedi. So why in The Mandalorian Season 3 will he be back with Din Djarin? With Grogu going with Luke, Din’s quest was over and he was free to go back to doing whatever he wanted.