"The Vampire Diaries" (8 p.m., The CW): Enzo (Michael Malarkey) brings Damon (Ian Somerhalder) a gruesome gift and insists that they bond by committing an act of revenge. Will Damon do the honorable thing?
"Parks and Recreation" (8:30 p.m., NBC): Time to bid good-bye to Rashida Jones and Rob Lowe. Their characters, Ann and Chris, spend their last night in Pawnee at a farewell party thrown by Leslie (Amy Poehler), who is very determined to fulfill a certain promise before they go.
"White Collar" (9 p.m., USA): In the season finale, Neal and Peter (Matt Bomer, Tim DeKay) race to find a priceless treasure hidden somewhere in Manhattan before it falls into the wrong hands.
Also on Thursday: