I'll Wed You in the Golden Summertime

S6 E21: It’s Alaric and Jo’s (recurring guest star Jodi Lyn O’Keefe) wedding day and Elena and Bonnie do their best to help a stressed-out Jo with the last-minute preparations. After uncovering some life-changing news that Damon has been keeping from him, Stefan takes his brother on a road trip to give him some perspective on his future with Elena. Elsewhere, when Caroline returns to Mystic Falls after dealing with the fallout of her humanity-free rampage, she begins making amends with her friends and comes to a realization about her and Stefan’s prospects of being together. Finally, when Bonnie begins having vivid nightmares that Lily (recurring guest star Annie Wersching) is coming after her, she enlists Matt’s help in taking Lily down.