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The Best Episodes of The Big Bang Theory Season 11

Every episode of The Big Bang Theory Season 11 ranked from best to worst. Discover the Best Episodes of The Big Bang Theory Season 11!

The Best Episodes of The Big Bang Theory Season 11

Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
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Episode Rankings

  1. #1 Fan Favorite
    The Big Bang Theory Season 11 Episode 1 - The Proposal Proposal
    7.5/10(3478 votes)

    #1 - The Proposal Proposal

    S11:E1

    In the eleventh season opener, Amy gives Sheldon an answer to his proposal while Howard and Bernadette struggle with some unexpected news.

    Director:Mark Cendrowski
    Writer:Unknown

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  2. The Big Bang Theory Season 11 Episode 2 - The Retraction Reaction
    7.2/10(3116 votes)

    #2 - The Retraction Reaction

    S11:E2

    Leonard angers the university – and the entire physics community – after he gives an embarrassing interview. Also, Amy and Bernadette bond over having to hide their success from Sheldon and Howard.

    Director:Mark Cendrowski
    Writer:Unknown

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  3. The Big Bang Theory Season 11 Episode 3 - The Relaxation Integration
    7.0/10(2970 votes)

    #3 - 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.

    Director:Mark Cendrowski
    Writer:Unknown

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  4. The Big Bang Theory Season 11 Episode 4 - The Explosion Implosion
    7.1/10(2902 votes)

    #4 - The Explosion Implosion

    S11:E4

    As Howard worries about fatherhood, he and Sheldon bond when they jointly assemble a model rocket. Meanwhile, Penny bonds with Leonard's mother, Beverly, much to his concern.

    Director:Mark Cendrowski
    Writer:Unknown

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  5. The Big Bang Theory Season 11 Episode 5 - The Collaboration Contamination
    7.3/10(2927 votes)

    #5 - The Collaboration Contamination

    S11:E5

    Sheldon and Raj confide in Bernadette when they can't handle Amy and Howard working together on a science project. Also, Penny and Leonard learn new tactics for how to deal with Sheldon from an unlikely source.

    Director:Nikki Lorre
    Writer:Unknown

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  6. The Big Bang Theory Season 11 Episode 6 - The Proton Regeneration
    7.2/10(2898 votes)

    #6 - The Proton Regeneration

    S11:E6

    Sheldon goes head-to-head with Wil Wheaton for the role of the new Professor Proton. Also, Penny steps in to take care of Halley when Bernadette and Howard both wind up on bed rest.

    Director:Mark Cendrowski
    Writer:Unknown

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  7. The Big Bang Theory Season 11 Episode 7 - The Geology Methodology
    7.4/10(2916 votes)

    #7 - The Geology Methodology

    S11:E7

    Sheldon and Bert collaborate on a research project, despite Sheldon’s embarrassment. Also, Penny and Bernadette coach Raj on how to navigate his relationship with Ruchi.

    Director:Mark Cendrowski
    Writer:Unknown

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  8. The Big Bang Theory Season 11 Episode 8 - The Tesla Recoil
    7.1/10(2820 votes)

    #8 - The Tesla Recoil

    S11:E8

    Leonard and Howard are furious after they learn Sheldon went to work with the military behind their backs. Also, while Bernadette is on bed rest, she asks Raj to do some digging when she suspects that Ruchi might be trying to take over her projects at work.

    Director:Anthony Rich
    Writer:Unknown

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  9. The Big Bang Theory Season 11 Episode 9 - The Bitcoin Entanglement
    7.7/10(3065 votes)

    #9 - The Bitcoin Entanglement

    S11:E9

    Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable Bitcoin investment. Also, a seven-year-old video reveals a secret about Leonard and Penny's relationship.

    Director:Mark Cendrowski
    Writer:Unknown

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  10. The Big Bang Theory Season 11 Episode 10 - The Confidence Erosion
    7.3/10(2849 votes)

    #10 - The Confidence Erosion

    S11:E10

    Sheldon and Amy try to eliminate stress from wedding planning by applying math to the process. Also, Raj “breaks up” with Howard after realizing his best friend is actually hurting his confidence.

    Director:Mark Cendrowski
    Writer:Unknown

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  11. The Big Bang Theory Season 11 Episode 11 - The Celebration Reverberation
    7.1/10(2782 votes)

    #11 - The Celebration Reverberation

    S11:E11

    Raj and Howard's feud continues as the gang plan Halley's first birthday party. Sheldon's surprise for Amy's birthday goes awry when they get food poisoning. Also, Leonard gets a Christmas letter from his brother that causes him to spiral out about his own lack of accomplishments.

    Director:Mark Cendrowski
    Writer:Unknown

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  12. The Big Bang Theory Season 11 Episode 12 - The Matrimonial Metric
    7.4/10(2831 votes)

    #12 - The Matrimonial Metric

    S11:E12

    Sheldon and Amy try to pick their Best-Man and Maid of Honor by experimenting on the gang.

    Director:Mark Cendrowski
    Writer:Unknown

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  13. The Big Bang Theory Season 11 Episode 13 - The Solo Oscillation
    7.2/10(2816 votes)

    #13 - The Solo Oscillation

    S11:E13

    When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration.

    Director:Mark Cendrowski
    Writer:Unknown

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  14. The Big Bang Theory Season 11 Episode 14 - The Separation Triangulation
    7.2/10(2864 votes)

    #14 - The Separation Triangulation

    S11:E14

    Raj finds himself in the middle of domestic drama when he learns the woman he's dating, has a very upset husband. Also, when Sheldon rents his old room back for a quiet place to work, he drives Leonard crazy by being a model tenant.

    Director:Mark Cendrowski
    Writer:Unknown

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  15. The Big Bang Theory Season 11 Episode 15 - The Novelization Correlation
    7.5/10(2800 votes)

    #15 - The Novelization Correlation

    S11:E15

    Leonard's book raises questions, and Amy guest stars on the new Professor Proton show.

    Director:Mark Cendrowski
    Writer:Unknown

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  16. The Big Bang Theory Season 11 Episode 16 - The Neonatal Nomenclature
    7.1/10(2727 votes)

    #16 - The Neonatal Nomenclature

    S11:E16

    When Bernadette won't go into labor, the gang tries different tactics to get things started. Also, Howard confronts Bernadette after Amy accidentally reveals she's already chosen their son's name.

    Director:Gay Linvill
    Writer:Unknown

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  17. The Big Bang Theory Season 11 Episode 17 - The Athenaeum Allocation
    6.8/10(2743 votes)

    #17 - 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.

    Director:Mark Cendrowski
    Writer:Unknown

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  18. The Big Bang Theory Season 11 Episode 18 - The Gates Excitation
    7.1/10(2781 votes)

    #18 - The Gates Excitation

    S11:E18

    Bill Gates visits Penny's work, and the gang schemes to meet him. Hilarity ensues. Meanwhile, Sheldon is convinced that he's a target of an April's Fools prank.

    Director:Mark Cendrowski
    Writer:Unknown

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  19. The Big Bang Theory Season 11 Episode 19 - The Tenant Disassociation
    7.2/10(2736 votes)

    #19 - The Tenant Disassociation

    S11:E19

    When Leonard learns Sheldon is the president of the tenants association, he decides to run against him. Also, Bernadette encourages Howard and Raj to find the owner of a drone after they find it in the backyard.

    Director:Mark Cendrowski
    Writer:Unknown

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  20. The Big Bang Theory Season 11 Episode 20 - The Reclusive Potential
    7.2/10(2744 votes)

    #20 - The Reclusive Potential

    S11:E20

    A brilliant but reclusive scientist, Doctor Wolcott, invites Sheldon to his cabin in the middle of nowhere, and Leonard, Raj and Howard go along for the trip. Also, Penny and Bernadette improvise after Amy doesn’t like the tame bachelorette party they planned for her.

    Director:Mark Cendrowski
    Writer:Unknown

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  21. The Big Bang Theory Season 11 Episode 21 - The Comet Polarization
    7.4/10(2757 votes)

    #21 - The Comet Polarization

    S11:E21

    Sheldon’s comic book store experiences changes when writer Neil Gaiman puts Stuart’s store on the map. Also, friendships are threatened when Raj takes credit for Penny's astronomical discovery.

    Director:Mark Cendrowski
    Writer:Unknown

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  22. The Big Bang Theory Season 11 Episode 22 - The Monetary Insufficiency
    7.2/10(2688 votes)

    #22 - The Monetary Insufficiency

    S11:E22

    Sheldon goes to Vegas to win money for science. Also, Penny and Bernadette take Amy wedding dress shopping, but her terrible choice entangles them in a web of lies.

    Director:Nikki Lorre
    Writer:Unknown

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  23. The Big Bang Theory Season 11 Episode 23 - The Sibling Realignment
    7.7/10(2886 votes)

    #23 - The Sibling Realignment

    S11:E23

    When Sheldon learns that his mother won’t attend his wedding unless he invites his brother, Georgie, he and Leonard travel to Texas to end a family feud. Also, the Wolowitz kids inadvertently infest Amy, Bernadette, Howard and Raj with pinkeye.

    Director:Mark Cendrowski
    Writer:Unknown

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  24. The Big Bang Theory Season 11 Episode 24 - The Bow Tie Asymmetry
    9.0/10(4824 votes)

    #24 - The Bow Tie Asymmetry

    S11:E24

    When Amy's parents and Sheldon's family arrive, everybody is focused to make sure all wedding arrangements go according to plan – everyone except the bride and groom.

    Director:Mark Cendrowski
    Writer:Unknown

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Season 11 Ratings Summary

"The Proposal Proposal" is the best rated episode of "The Big Bang Theory" season 11. It scored 7.5/10 based on 3478 votes. Directed by Mark Cendrowski and written by Unknown, it aired on 9/25/2017. This episode is rated 0.3 points higher than the second-best, "The Retraction Reaction".