The Big Bang Theory

CBS (ended 2019)




Episode Guide

  • Season 12
    • 5/16/19

      In the series finale, Howard and Bernadette leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; and Raj makes a new friend as the gang travels together into an uncharted future.

    • 5/16/19

      Sheldon, Amy and the gang eagerly await the announcement of the winner of the Nobel Prize in physics.

    • 5/9/19

      Leonard is pleasantly surprised when his mother comes to visit and she's genuinely kind to him, until he finds out the real reason she's there. Also, Denise and Stuart overstay their welcome at the Wolowitz house.

    • 5/2/19

      Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in. Also, Howard is happily surprised to learn that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him back in the day.

    • 4/25/19

      When Leonard's friends encourage him to stand up for what he wants instead of going along with the gang, he goes to President Siebert's office demanding that he be made principal investigator on a plasma physics study. Meanwhile, Raj is worried people won't take him seriously in his own field after publishing a paper that suggests the possibility of alien life.

    • 4/18/19

      After Amy has a meltdown from the pressure associated with winning a Nobel Prize, she is ordered by the University to lie low. Also, Howard and Raj try to relive the good old days after Howard buys a scooter that looks like the one he had years ago.

    • 4/4/19

      Competitors Pemberton and Campbell charm America on a publicity tour, so Sheldon and Amy try to bring Nobel laureates Kip Thorne, George Smoot and Frances Arnold to their side. Also, Halley's fear of the dark leads to opportunity and conflict for Howard, Bernadette and Stuart.

    • 3/7/19

      Penny and Bernadette go to San Diego for a pharmaceutical sales convention, leaving Howard in charge of the kids. Also, Sheldon finds a book on experimenting on kids, and the guys plus Amy make a day of it.

    • The D & D Vortex
      Episode 16

      The gang finds out Wil Wheaton hosts a celebrity Dungeons and Dragons game involving William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith. Deception and betrayal are the path to make it to the one open seat.

    • 2/7/19

      Leonard has second thoughts about helping Zack and Marissa have a baby. Also, Howard, Bernadette, Raj and Anu turn Raj's canceled bachelor party into a couple's trip aboard the "vomit comet."

    • 1/31/19

      Sheldon helps Howard and Bernadette navigate city hall bureaucracy; Leonard is jealous when he discovers that Raj and Bert excluded him from a scientific project.

    • 1/17/19

      Sheldon and Amy's super asymmetry theory is proven by two physicists, Dr. Pemberton and Dr. Campbell from Chicago, who then try to kick Amy off the Nobel nomination. Also, Bernadette has a big success at work and Penny's going to be a part of it—whether she wants to or not.

    • 1/10/19

      Penny's ex-boyfriend, Zack, and his wife want a baby, but when Zack is infertile, they ask Leonard for help. Also, Raj attempts to mend things with his ex-fiancée, Anu.

    • 1/3/19

      Penny and Leonard organize a paintball game that results in mayhem when Sheldon is jealous of Amy. Also, Raj catches Anu with her ex-boyfriend, and Stuart doesn't want to move in with Denise.

    • 12/6/18

      Sheldon and Amy are still down about their theory being disproven, but a VHS tape from Sheldon's past inspires him not to give up. Also, Bernadette turns into a pageant mom when she tries to help Howard ace his Magic Castle audition.

    • 11/15/18

      Sheldon and Amy are devastated after learning from a Russian paper that Super Asymmetry has already been discovered and disproven. Also, ultra-competitive Bernadette asks Stuart's girlfriend, Denise, to teach her how to beat Howard in a popular video game.

    • 11/8/18

      Sheldon tries to bond with Amy's father, but when Wolowitz lures Mr. Fowler away with magic tricks, Sheldon has no choice but to bond with Mrs. Fowler. Also: Raj and Anu try to get physical for the first time.

    • 11/1/18

      Leonard is caught between a rock and a hard place when he's responsible for distributing extra grant money. Also, Bernadette turns the backyard playhouse into a hideaway from her husband and kids.

    • 10/25/18

      When Howard dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party. Also, Leonard is shocked that Penny doesn't remember their first kiss.

    • 10/18/18

      Amy doesn't have time to work on super-asymmetry, so Sheldon goes to great lengths to ensure she's available to work with him even if it means accidentally sabotaging her career in the process. Also, Raj doesn't want Howard to join him in hosting a show at the planetarium.

    • 10/11/18

      Sheldon won't tell anyone why he's never mentioned Tam, his childhood best friend, so Leonard takes matters into his own hands. Also, Bernadette and Penny take out Raj's fiancée, Anu, for dinner to get the skinny on her.

    • 10/4/18

      The Wolowitz's life gets complicated when Stuart starts bringing his new girlfriend home. Also, Penny and Leonard talk about starting a family while Raj explores an arranged marriage.

    • 9/27/18

      Sheldon and Amy drive themselves crazy trying to figure out what "perfect gift" Leonard and Penny gave them for their wedding. Also, Raj decides he wants to settle down and asks his father to arrange a marriage for him.

    • 9/24/18

      In the Season 12 premiere, Sheldon and Amy's honeymoon runs aground in New York, while Penny and Leonard discover they are uncomfortably similar to Amy's parents. Also, Raj insults physicist Neil deGrasse Tyson and starts a Twitter war.

  • Season 11
  • Season 10
  • Season 9
  • Season 8
  • Season 7
  • Season 6
  • Season 5
  • Season 4
  • Season 3
  • Season 2
  • Season 1