Under Control

UNCLE JOHN AND HIS DARK SECRETS — While Stefan struggles to control his new situation, Elena and Jeremy are surprised by a visit from their uncle, John Gilbert. Damon and Katherine try to establish and start a relationship while hiding it from Stefan and while trying to help Stefan. Alaric has an awkward talk with Elena about Isobel. Stefan is worried about Katherine's bonding with Damon and confronts him about it.At a Founder's Day event, Stefan displays a rare party attitude and Damon's attempt to find out why Uncle John has returned to town takes an ugly turn. An incident at the party causes trouble between Matt and Tyler, and the relationship between Matt and his mother, Kelly, reaches a new low. Meanwhile, Elena's effort to comfort Jeremy falls short and he decides to take matters into his own hands.