Paul Ryan takes on Joe Biden, Connie Britton takes on Hayden Panettiere and everybody has to get back stuff they left at everybody else's place. Here's what to watch and what to avoid on television this week:
"90210" 7 p.m., The CW: Season 5 kicks off in the slammer.
"The Voice" 7 p.m., NBC: The battle round begins. "Pikachu - I choose you!" Sorry, my kids are rediscovering Pokimon.
"Gossip Girl" 8 p.m., The CW: The sixth season begins tonight.
"Revolution" 9 p.m., NBC: Blah, blah, militia, blah, blah, Maggie . if there's no electricity, how are they filming this stuff?
"Ben and Kate" 7:30 p.m. Fox: BJ needs help getting stuff from an ex-lover's place. I know this show is from the creators of "New Girl," but does that mean they have to lift plots from it?
"NCIS: Los Angeles" 8 p.m., CBS: An explosion at a diner? Some people never learn to stay away from the chili.
"The Mindy Project" 8:30 p.m., Fox: Jeremy has to find a way to get something he left in Mindy's apartment. OK, now this is just getting silly.
"Arrow" 7 p.m., The CW: A billionaire becomes a vigilante with a bow in this new superhero saga.
"Nashville" 9 p.m., ABC: In one of the fall's best new dramas, Connie Britton stars as an aging country crooner pitted against an up-and-coming, superstar brat.
"Chicago Fire" 9 p.m., NBC: Pretty, young people battle fires, traumas and each other in a rescue-set soaper from "Law & Order" creator Dick Wolf.
"The Vampire Diaries" 7 p.m., The CW: Elena faces a serious problem as Season 4 begins - she has to smuggle something out of Damon's room.
"2012 Vice Presidential Debate" 8 p.m., broadcast and cable news networks: The current second-in-command verbally spars with the wannabe No. 2 live from Kentucky. Martha Raddatz poses the questions.
"Beauty and the Beast" 8 p.m., The CW: This new series is less like "Beauty and the Beast" and more like "The Incredible Hulk" without all of that messy, green makeup.
"It's Always Sunny in Philadelphia" 9 p.m., FX: Season 8 begins.
"The League" 9:30 p.m., FX: Some-one's headed to Dallas Cowboys training camp in the fourth-season premiere.
"Shark Tank" 7 p.m., ABC: Now, "energy waffles" . there's a product I can get behind.
"Austin City Limits" 7 p.m., PBS: Bon Iver performs, and I'm in the crowd with my son. See if you can pick us out.
"Saturday Night Live" 10:30 p.m., NBC: She might not be "Up All Night," but host Christina Applegate will be up pretty late.
"The Walking Dead" 8 p.m., AMC: You know your friends who complained that last season was neither violent nor bloody enough?