The Big Bang Theory Turns 100, and Other TV to Rage About Tonight

Johnny Galecki and Jim Parsons as Leonard and Sheldon in The Big Bang Theory's 100th episodeWelcome to Thursday, January 19th!  Your round of weekly TV continues as tonight FX's Archer returns to the airwaves, while CBS celebrates a big winner for its hit Thursday sitcom The Big Bang Theory, which reaches its 100th episode.

Did you catch the American Idol premiere last night or were you too busy watching the return of CBS' Wednesday night lineup?  Read on, for your guide to how to kick off the night right!

Time to start prepping your Superbowl parties and curl up at night with the best shows on the best night of the week for TV, and TVRage has your guide to everything you need to watch tonight!

American Idol - "Auditions, Part 2: Pittsburgh" - Part 2 of the 3-night premiere, the auditions continue in Pittsburgh.  FOX, 8:00 - 9:00pm, ET

The Vampire Diaries - "The Ties that Bind" - Bonnie believes her dreams can teach her how to kill Klaus, while Tyler seeks help in his quest to regain free will and Damon becomes intrigued by Dr. Fell.  The CW, 8:00 - 9:00pm, ET

The Big Bang Theory - "The Recombination Hypothesis" - Bazinga, 100 episodes!  Could everything change when Leonard spontaneously invites Penny to a romantic dinner?  CBS, 8:00 - 8:31pm, ET

30 Rock - "Idiots are People Two" - A video of Tracy's offensive rant goes viral, while Jack refuses to approve of Liz's new boyfriend (James Marsden), and Kenneth and Jenna recruit Kelsey Grammer for help.  NBC, 8:00 - 8:30pm, ET

Parks and Recreation - "Campaign Ad" - Leslie and Ben disagree over her campaign ad, while Chris attempts to befriend Ron and Andy and April visit the doctor.  NBC, 8:30 - 9:00pm, ET

Person of Interest - "Legacy" - After meeting Reese, Carter becomes embroiled with the latest case of a woman who turned her life around.  CBS, 9:00 - 10:00pm, ET

Private Practice - "Losing Battles" - A woman from Violet's past arrives pregnant and beaten, while Cooper, Charlotte and Ameila counsel Erica on a tough decsion.  ABC, 10:00 - 11:00pm, ET

The Mentalist - "My Bloody Valentine" - Van Pelt is haunted by memories of O'Laughlin's shooting, as Jane and the CBI investigate the death of a mob boss' son.  CBS, 10:00 - 11:00pm, ET

Archer - "The Man from Jupiter" - Officially premiering its third season, Burt Reynolds guest stars as himself, as Archer learns his hero has a date with his mother.  FX, 10:00 - 10:31pm, ET

Jersey Shore - "Dropping Like Flies" - The group tries to adjust to life without Vinny, while Pauly celebrates his birthday and Mike confronts his inner demons.  MTV, 10:00 - 11:00pm, ET

The Firm - "Chapter Four" - Mitch defends a psychiatrist accused of killing her stalker, and confesses to the FBI he feels he's being watched.  NBC, 10:00 - 11:00pm, ET

Unsupervised - "Pilot" - It's series premiere, best friends Gary (Justin Long) and Joel (It's Always Sunny in Philadelphia's David Hornsby) try to change their image to hook up with girls, Kristen Bell, Romany Malco, Kaitlin Olson and Fred Armisen also lend their voices.  FX, 10:31 - 11:01pm, ET

What will YOU be watching?