Elena doesn't want to let being a vampire get in the way of her senior year of high school on Vampire Diaries (7 p.m., CW/Ch. 30). Because, hey, just because you're undead doesn't mean you don't need a good education.
Of course, when Rebekah shows up at school it's all Elena can do to control her temper.
Ah, the trials of being a teenage bloodsucker.
Elsewhere on TV ...
World Series (6 p.m., Fox/Ch. 13): Game 2 - Detroit Tigers at San Francisco Giants
NFL (6 p.m., NFL Network): Tampa Bay Buccaneers at Minnesota Vikings
The Big Bang Theory (7 p.m., CBS/Ch. 2): The gang spends Halloween at Stuart's comic book store.
Last Resort (7 p.m., ABC/Ch. 4): Marcus and Sam negotiate with the U.S. government.
30 Rock (7 p.m., NBC/Ch. 5): Liz and Jack try to influence voters.
The Vampire Diaries (7 p.m., CW/Ch. 30): Elena doesn't want to let being a vampire get in the way of her senior year of high school.
Project Runway All Stars (7, 9, 10 and 11 p.m., Lifetime): A new season of this series - which is far inferior to the regular "Project Runway" - begins.
Two and a Half Men (7:30 p.m., CBS/Ch. 2): Charlie's widow/stalker, Rose, is back in town - and she starts dating Walden.
Up All Night (7:30 p.m., NBC/Ch. 5): Ava tries to win over the neighbors by putting on a haunted house.
Person of Interest (8 p.m., CBS/Ch. 2): Should Reese and Finch intervene to save a mob enforcer's life?
Grey's Anatomy (8 p.m., ABC/Ch. 4): Callie and Derek try to deal with their guilt.
The Office (8 p.m., NBC/Ch. 5): Dwight tries to track down a madman.
Beauty and the Beast (8 p.m., CW/Ch. 30): Vincent comes to the rescue of an immigrant accused of killing a judge.
Parks and Recreation (8:30 p.m., NBC/Ch. 5): Ben gets a job offer.
Elementary (9 p.m., CBS/Ch. 2): Sherlock is called in to consult when a Wall Street banker seems to have died of a heroin overdose.
Scandal (7 p.m., ABC/Ch. 4): The parents of a missing college student come to Olivia for help.
Rock Center with Brian Williams (9 p.m., NBC/Ch. 5): On the campaign trail with President Obama; still more on the whole Lance Armstrong doping thing.
It's Always Sunny in Philadelphia (11 p.m. FX): Dennis crashes Maureen's wedding.