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The Best Episodes Written By Bill Prady

Every TV Episode Written by Bill Prady Ranked from Best to Worst by Thousands of Voters

Episode Rankings

  1. #1 Fan Favorite
    undefined Season 3 Episode 8 - The Adhesive Duck Deficiency
    8.3/10(61 votes)

    #1 - The Adhesive Duck Deficiency

    S3:E8

    With Leonard, Howard and Raj away camping in the desert, an injured Penny has only Sheldon to rely on.

    Director:N/A
    Writer:Bill Prady

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  2. undefined Season 2 Episode 11 - The Bath Item Gift Hypothesis
    8.2/10(62 votes)

    #2 - The Bath Item Gift Hypothesis

    S2:E11

    Penny starts dating Leonard's handsome colleague; Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.

    Director:N/A
    Writer:Bill Prady

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  3. undefined Season 2 Episode 15 - The Maternal Capacitance
    8.2/10(52 votes)

    #3 - The Maternal Capacitance

    S2:E15

    Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.

    Director:N/A
    Writer:Bill Prady

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  4. undefined Season 3 Episode 17 - The Precious Fragmentation
    7.9/10(48 votes)

    #4 - The Precious Fragmentation

    S3:E17

    When the guys find a ring from "The Lord of the Rings" at a garage sale, it threatens to tear them apart.

    Director:N/A
    Writer:Bill Prady

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  5. undefined Season 2 Episode 7 - The Panty Piñata Polarization
    7.9/10(53 votes)

    #5 - The Panty Piñata Polarization

    S2:E7

    When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate.

    Director:N/A
    Writer:Bill Prady

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  6. undefined Season 4 Episode 20 - The Herb Garden Germination
    7.9/10(45 votes)

    #6 - The Herb Garden Germination

    S4:E20

    Sheldon and Amy decide to start several rumors about the others as a test. Meanwhile, Howard takes his relationship with Bernadette to even higher level.

    Director:N/A
    Writer:Bill Prady

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  7. undefined Season 5 Episode 24 - The Countdown Reflection
    7.9/10(50 votes)

    #7 - The Countdown Reflection

    S5:E24

    The fifth season ends with Howard and Bernadette deciding to get married before his NASA mission, causing the gang to scurry into overdrive in an effort to stage the wedding. NASA astronaut Mike Massimino has a cameo as himself.

    Director:N/A
    Writer:Bill Prady

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  8. undefined Season 3 Episode 18 - The Pants Alternative
    7.9/10(45 votes)

    #8 - The Pants Alternative

    S3:E18

    Sheldon's friends come to his aid when his fear of public speaking stands between him and a coveted award.

    Director:N/A
    Writer:Bill Prady

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  9. undefined Season 3 Episode 10 - The Gorilla Experiment
    7.8/10(50 votes)

    #9 - The Gorilla Experiment

    S3:E10

    Penny gets help from Sheldon in order to understand what Leonard's work is, while Wolowitz develops a jealousy when Leonard starts hanging out with his new girlfriend.

    Director:N/A
    Writer:Bill Prady

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  10. undefined Season 1 Episode 17 - The Tangerine Factor
    7.8/10(59 votes)

    #10 - The Tangerine Factor

    S1:E17

    Penny's break-up spurs Leonard to summon the courage to ask her out, and each goes to Sheldon for advice on their upcoming date.

    Director:N/A
    Writer:Bill Prady

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  11. undefined Season 5 Episode 18 - The Werewolf Transformation
    7.8/10(43 votes)

    #11 - The Werewolf Transformation

    S5:E18

    Sheldon becomes agitated when his regular barber is out sick. Astronaut training causes Howard to reconsider wanting to go into space. Penny beats Leonard in chess, the first time she plays.

    Director:N/A
    Writer:Bill Prady

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  12. undefined Season 3 Episode 16 - The Excelsior Acquisition
    7.8/10(48 votes)

    #12 - The Excelsior Acquisition

    S3:E16

    Sheldon winds up in traffic court when he gets a ticket because of Penny.

    Director:N/A
    Writer:Bill Prady

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  13. undefined Season 4 Episode 2 - The Cruciferous Vegetable Amplification
    7.8/10(46 votes)

    #13 - The Cruciferous Vegetable Amplification

    S4:E2

    Realizing he will not live long enough to download his consciousness into a robot body, Sheldon tries to extend his life span.

    Director:N/A
    Writer:Bill Prady

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  14. undefined Season 4 Episode 11 - The Justice League Recombination
    7.8/10(49 votes)

    #14 - The Justice League Recombination

    S4:E11

    The guys find a "super" use for Penny's new boyfriend, Zack, when they enter a costume contest as the Justice League.

    Director:N/A
    Writer:Bill Prady

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  15. undefined Season 4 Episode 9 - The Boyfriend Complexity
    7.8/10(47 votes)

    #15 - The Boyfriend Complexity

    S4:E9

    Penny asks Leonard to lie to her father, while Howard, Raj and Bernadette pull an all-nighter at a telescope.

    Director:N/A
    Writer:Bill Prady

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  16. undefined Season 2 Episode 1 - The Bad Fish Paradigm
    7.8/10(64 votes)

    #16 - The Bad Fish Paradigm

    S2:E1

    Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.

    Director:N/A
    Writer:Bill Prady

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  17. undefined Season 5 Episode 21 - The Hawking Excitation
    7.8/10(47 votes)

    #17 - The Hawking Excitation

    S5:E21

    When Wolowitz gets to work with Stephen Hawking, Sheldon is willing to do anything to meet his hero.

    Director:N/A
    Writer:Bill Prady

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  18. undefined Season 1 Episode 7 - The Dumpling Paradox
    7.8/10(64 votes)

    #18 - The Dumpling Paradox

    S1:E7

    With Wolowitz AWOL with one of her friends, Penny's recruited to fill in for him on the guys' Halo team

    Director:N/A
    Writer:Bill Prady

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  19. undefined Season 3 Episode 23 - The Lunar Excitation
    7.7/10(47 votes)

    #19 - The Lunar Excitation

    S3:E23

    While Penny worries that dating Leonard has ruined her for normal guys, Wolowitz and Koothrappali search for Sheldon's perfect match online.

    Director:N/A
    Writer:Bill Prady

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  20. undefined Season 3 Episode 20 - The Spaghetti Catalyst
    7.7/10(45 votes)

    #20 - The Spaghetti Catalyst

    S3:E20

    When Leonard and Penny aren't speaking, Sheldon goes to extremes to keep them both happy.

    Director:N/A
    Writer:Bill Prady

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  21. undefined Season 7 Episode 20 - The Relationship Diremption
    7.7/10(47 votes)

    #21 - The Relationship Diremption

    S7:E20

    Sheldon faces a personal crisis after deciding he’s wasting his time with string theory. Meanwhile, a double date between Raj, Emily and the Wolowitzes ends in embarrassment for Howard.

    Director:N/A
    Writer:Bill Prady

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  22. undefined Season 4 Episode 8 - The 21-Second Excitation
    7.7/10(43 votes)

    #22 - The 21-Second Excitation

    S4:E8

    While the guys camp in line for a long-awaited movie screening, Penny and Bernadette invite Amy to her first slumber party.

    Director:N/A
    Writer:Bill Prady

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  23. undefined Season 6 Episode 4 - The Re-Entry Minimization
    7.7/10(46 votes)

    #23 - The Re-Entry Minimization

    S6:E4

    When Wolowitz returns from space, he doesn’t get the hero’s welcome he expected. Meanwhile, Game Night turns into a battle of the sexes.

    Director:N/A
    Writer:Bill Prady

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  24. undefined Season 6 Episode 10 - The Fish Guts Displacement
    7.7/10(48 votes)

    #24 - The Fish Guts Displacement

    S6:E10

    When Amy gets sick, Sheldon tries to nurse her back to health; Wolowitz and his father-in-law plan a fishing trip.

    Director:N/A
    Writer:Bill Prady

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  25. undefined Season 6 Episode 21 - The Closure Alternative
    7.7/10(47 votes)

    #25 - The Closure Alternative

    S6:E21

    Amy tries to help Sheldon get over his compulsive need for closure when one of his favorite TV shows is canceled; Raj discovers a secret about Lucy.

    Director:N/A
    Writer:Bill Prady

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Bill Prady Ratings Summary

"The Adhesive Duck Deficiency" is the best rated episode written by Bill Prady. It scored 8.303/10 based on 61 votes. It was directed by N/A. It aired on 11/16/2009 and is rated 0.1 points higher than their second-best episode, "The Bath Item Gift Hypothesis".