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The Worst Episodes of The Big Bang Theory

Every episode of The Big Bang Theory ranked from worst to best. Explore the Worst Episodes of The Big Bang Theory!

The Worst Episodes of The Big Bang Theory

Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
  1. Background image for The Inspiration Deprivation
    6.4/10(29 votes)

    #1 - The Inspiration Deprivation

    S12:E19

    The concept of what it would mean for women everywhere if Amy were to win a Nobel Prize causes Amy to have a meltdown. 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.

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    Writer:Unknown
  2. Background image for The Decision Reverberation
    6.4/10(34 votes)

    #2 - The Decision Reverberation

    S12:E20

    Raj is worried people won’t take him seriously in his own field after publishing a paper that suggests he may have discovered alien life. Also, Leonard wants to be the principal investigator on a plasma physics study.

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    Writer:Unknown
  3. Background image for The Conference Valuation
    6.5/10(35 votes)

    #3 - The Conference Valuation

    S12:E17

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

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    Writer:Unknown
  4. Background image for The Meteorite Manifestation
    6.6/10(34 votes)

    #4 - The Meteorite Manifestation

    S12:E14

    Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law. Also, Leonard is disappointed when his friends exclude him from a scientific project.

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    Writer:Unknown
  5. Background image for The Planetarium Collision
    6.7/10(35 votes)

    #5 - The Planetarium Collision

    S12:E5

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

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    Writer:Unknown
  6. Background image for The Propagation Proposition
    6.7/10(34 votes)

    #6 - The Propagation Proposition

    S12:E12

    Penny runs into her ex-boyfriend, Zack, who invites her and Leonard to a dinner to meet his newlywed wife. After the dinner the newlywed couple make an odd proposition to Leonard, which makes Penny to freak out. Also, Raj attempts to mend things with his ex-fiancée, Anu.

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    Writer:Unknown
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  8. Background image for The Confirmation Polarization
    6.7/10(32 votes)

    #7 - The Confirmation Polarization

    S12:E13

    Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel nomination. Also, Bernadette gets one of her drugs approved at work and wants a reluctant Penny to head the sales team.

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    Writer:Unknown
  9. Background image for The Donation Oscillation
    6.7/10(36 votes)

    #8 - The Donation Oscillation

    S12:E15

    Penny tries to seduce an abstaining Leonard to ruin his "donation" for her ex-boyfriend, Zack, and his wife, Marissa. Also, Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple's trip.

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    Writer:Unknown
  10. Background image for The Laureate Accumulation
    6.7/10(31 votes)

    #9 - The Laureate Accumulation

    S12:E18

    When competitors Pemberton and Campbell charm America on a publicity tour, 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 causes opportunity and conflict at the Wolowitz home.

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    Writer:Unknown
  11. Background image for The Matrimonial Momentum
    6.8/10(4.2k votes)

    #10 - The Matrimonial Momentum

    S9:E1

    After driving to Vegas to get married, Penny struggles with Leonard’s confession that he kissed another girl. Also, Sheldon doesn't know how to act after Amy pushes pause on their relationship.

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    Writer:Unknown
  12. Background image for The Cognition Regeneration
    6.8/10(2.8k votes)

    #11 - The Cognition Regeneration

    S10:E22

    Leonard isn’t thrilled when Penny considers taking a new job offered by her ex-boyfriend, Zack.

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    Writer:Unknown
  13. Background image for The Athenaeum Allocation
    6.8/10(2.7k votes)

    #12 - The Athenaeum Allocation

    S11:E17

    Leonard jumps through hoops to help secure the perfect wedding venue for Sheldon and Amy. Also, Bernadette and Howard have a hard time deciding who should stay at home with the kids and who should go back to work.

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    Writer:Unknown
  14. Background image for The Tam Turbulence
    6.8/10(36 votes)

    #13 - The Tam Turbulence

    S12:E4

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

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    Writer:Unknown
  15. Background image for The Plagiarism Schism
    6.8/10(31 votes)

    #14 - The Plagiarism Schism

    S12:E21

    Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in or not. Meanwhile, Howard learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him.

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    Director:Nikki Lorre
    Writer:Unknown
  16. Background image for The Romance Recalibration
    6.9/10(3.0k votes)

    #15 - The Romance Recalibration

    S10:E13

    When Penny feels that Leonard is taking her for granted, she decides to go on a spa weekend with Amy. Also, Wolowitz and Koothrappali try to fix a squeaky floorboard in the baby’s room.

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    Writer:Unknown
  17. Background image for The Procreation Calculation
    6.9/10(37 votes)

    #16 - The Procreation Calculation

    S12:E3

    The Wolowitzes' 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.

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    Writer:Unknown
  18. Background image for The Grant Allocation Derivation
    6.9/10(38 votes)

    #17 - The Grant Allocation Derivation

    S12:E7

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

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    Writer:Unknown
  19. Background image for The Consummation Deviation
    6.9/10(37 votes)

    #18 - The Consummation Deviation

    S12:E8

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

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    Writer:Unknown
  20. Background image for The VCR Illumination
    6.9/10(35 votes)

    #19 - The VCR Illumination

    S12:E10

    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. Bernadette turns into a pageant mom when she tries to help Howard ace his Magic Castle audition.

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    Writer:Unknown
  21. Background image for The Paintball Scattering
    6.9/10(36 votes)

    #20 - The Paintball Scattering

    S12:E11

    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 gets cold feet when Denise hints at the possibility of them living together.

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    Writer:Unknown
  22. Background image for The Wildebeest Implementation
    7.0/10(47 votes)

    #21 - The Wildebeest Implementation

    S4:E22

    Raj attempts to cure his social anxiety disorder while Penny uses Bernadette to spy on Leonard and his girlfriend.

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    Writer:Unknown
  23. Background image for The First Pitch Insufficiency
    7.0/10(3.8k votes)

    #22 - The First Pitch Insufficiency

    S8:E3

    Wolowitz feels nervous when he is asked to throw the first pitch at a Los Angeles Angels game. Penny and Leonard want to prove Sheldon wrong after he says he and Amy are the better couple.

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    Writer:Unknown
  24. Background image for The Champagne Reflection
    7.0/10(3.6k votes)

    #23 - The Champagne Reflection

    S8:E10

    While Sheldon says a tearful goodbye to the final installment of "Fun with Flags", Leonard, Howard and Raj search for something significant in a dead professor's research. And Bernadette finds out what her colleagues really think of her.

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    Writer:Unknown
  25. Background image for The Communication Deterioration
    7.0/10(3.2k votes)

    #24 - The Communication Deterioration

    S8:E21

    When Raj is asked to create a message in case a NASA mission discovers alien life, the guys fight over what he should do. Also, Penny is torn between auditioning for a movie or keeping her successful pharmaceutical sales job.

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    Writer:Unknown
  26. Background image for The Relaxation Integration
    7.0/10(2.9k votes)

    #25 - The Relaxation Integration

    S11:E3

    Sheldon and Amy struggle with picking a wedding date, which stresses out Sheldon and causes him talking in his sleep. Meanwhile, Raj and Stuart fight over the attention of one of Bernadette's co-workers.

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    Writer:Unknown

Worst Episodes Summary

"The Inspiration Deprivation" is the worst rated episode of "The Big Bang Theory". It scored 6.4/10 based on 29 votes. Directed by Mark Cendrowski and written by Unknown, it aired on 4/18/2019. This episode scored 0.0 points lower than the second lowest rated, "The Decision Reverberation".