The Vampire Diaries forced viewers to say goodbye to one character as we knew him last night. What did you think of "Do Not Go Gentle?"

Next Thursday, meanwhile, we may be bidding farewell to antagonistic relationships as we've come to know them.

With a new common enemy, the brothers Salvatore will team up with Klaus on "Before Sunset," while Bonnie will call upon her mother to assist with a spell and Stefan and Damon will enlist Tyler's help. Watch the official CW trailer now:

For more on what's ahead both next week and on the May 10 season finale, visit our Vampire Diaries spoilers section. NOW!

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.