Episode Guides

Arch-nerds Leonard and Sheldon may know more than their fair share about subatomic particles, but when it comes to people in general, and women in particular, they're absolutely clueless...

About the Show

Arch-nerds Leonard and Sheldon may know more than their fair share about subatomic particles, but when it comes to people in general, and women in particular, they're absolutely clueless...

Series 7 Summary

The seventh series begins with Leonard still away at sea as the gang are reunited for more geeky fun.

  • The Big Bang Theory: Janine, Raj and Howard

    Episode 1 - The Hofstadter Insufficiency

    Sheldon and Penny bond in Leonard's absence, Raj finds someone to share his heartache with, and while away at an out-of-town conference, Bernadette and Amy are 'hit on' at the hotel bar.

  • The Big Bang Theory: Sheldon and Amy

    Episode 2 - The Deception Verification

    Leonard returns early from his research expedition as a surprise for Penny, but Sheldon is upset that he wasn't in on the secret

  • The Big Bang Theory: Sheldon, Penny, Leonard and Bernadette

    Episode 3 - The Scavenger Vortex

    Raj organises an epic and demanding scavenger hunt for his friends, designed to test their scientific knowledge and common sense, and it brings out some surprising traits in everyone

  • The Big Bang Theory: Leonard and Penny

    Episode 4 - The Raiders Minimization

    Amy ruins one of Sheldon's favourite films by pointing out a flaw in the storyline, so he plots revenge by trying to spoil her enjoyment of a much-loved TV show from her childhood

  • The Big Bang Theory: Howard and Leonard

    Episode 5 - The Workplace Proximity

    Amy informs Sheldon that she has been asked to work on a scientific project that is taking place at his university

  • The Big Bang Theory: Leonard and Raj

    Episode 6 - The Romance Resonance

    Sheldon is mortified when he stumbles upon an important scientific breakthrough by accident. He feels like a complete fraud and is embarrassed by all the praise and attention that comes his way.

  • The Big Bang Theory: Howard and Raj

    Episode 7 - The Proton Displacement

    Sheldon feels left out when Professor Proton asks Leonard to read his latest publication, so he befriends a TV personality from a rival science show

  • The Big Bang Theory: Leonard and Sheldon

    Episode 8 - The Itchy Brain Simulation

    Leonard thinks Sheldon will over-react when he admits that he failed to return a DVD to the rental shop seven years earlier, but a Sheldon finds a way to punish his friend for his past mistake

  • The Big Bang Theory: Raj and Bernadette

    Episode 9 - The Thanksgiving Decoupling

    Howard takes the gang to his mother's house for Thanksgiving in an effort to protect himself from the company of his grumpy father-in-law, who has also been invited

  • The Big Bang Theory: Sheldon

    Episode 10 - The Discovery Dissipation

    Sheldon continues to feel guilty about the attention he is receiving for his accidental discovery of a new element

  • The Big Bang Theory: Penny and Leonard

    Episode 11 - The Cooper Extraction

    Sheldon returns to Texas when his sister goes into labour. While he's away, the gang gather to decorate the Christmas tree and ponder on how things would have been if they'd never met Sheldon.

  • The Big Bang Theory: Penny and Leonard

    Episode 12 - The Hesitation Ramification

    When Penny's big TV acting break hits the cutting room floor, Leonard does his best to comfort her, which leads her to ask him a bold question about their relationship

  • The Big Bang Theory: Bert, Raj, Howard and Amy

    Episode 13 - The Occupation Recalibration

    When Penny quits her job at the restaurant in order to pursue her acting career full time and Sheldon is forced to take his unused leave by the university, the two end up spending some time together

  • The Big Bang Theory: Howard, Leonard, Sheldon and Raj

    Episode 14 - The Convention Conundrum

    After the guys miss out on Comic-Con tickets, Sheldon decides to hold his own comic book convention and begins to search for a suitable star guest for the event

  • The Big Bang Theory: Bernadette, Howard, Amy, Sheldon, Leonard, Penny and Raj

    Episode 15 - The Locomotive Manipulation

    Love is in the air when Amy convinces Sheldon to join her - as well as Howard and Bernadette - for a romantic train trip to Napa Valley to celebrate Valentine's Day

  • The Big Bang Theory: Sheldon

    Episode 16 - The Table Polarization

    When Leonard buys a dining table for the flat, Sheldon objects strongly to such a big change in his living space and his relationship with Amy almost becomes a casualty as a result

  • The Big Bang Theory: Penny and Leonard

    Episode 17 - The Friendship Turbulence

    In an attempt to improve their strained friendship, Howard invites Sheldon to fly to Houston with him on a visit to NASA

  • The Big Bang Theory: Howard and Sheldon

    Episode 18 - The Mommy Observation

    When Sheldon pays a surprise visit to his mother in Houston, he is forced to confront a new reality

  • The Big Bang Theory: Penny, Leonard and Wil

    Episode 19 - The Indecision Amalgamation

    Raj is wracked with guilt about dating Lucy and Emily at the same time, and Penny wrestles with her conscience over whether to accept a role in a terrible horror film

  • The Big Bang Theory: Sheldon

    Episode 20 - The Relationship Diremption

    Sheldon faces a personal crisis when he starts to wonder whether he's wasting his time with his study of String Theory, although Penny does her best to offer him advice

  • The Big Bang Theory: Sheldon

    Episode 21 - The Anything Can Happen Recurrence

    Penny and Leonard try to distract Sheldon from his career problems by reinstating Anything Can Happen Thursday

  • The Big Bang Theory: Bernadette, Howard, Amy, Sheldon, Leonard, Penny and Raj

    Episode 22 - The Proton Transmogrification

    Sheldon struggles to process his feelings of grief when his idol Professor Proton passes away. Leonard turns a relationship milestone into a competition with Penny.

  • The Big Bang Theory: Penny

    Episode 23 - The Gorilla Dissolution

    A horrible day at work prompts Penny to evaluate her life choices - including taking a big step with Leonard. Howard and Bernadette struggle to care for Mrs Wolowitz.

  • The Big Bang Theory: Penny and Amy

    Episode 24 - The Status Quo Combustion

    With potential changes affecting his professional, domestic and social life, Sheldon is forced to confront an uncertain future and considers a major move, which worries Penny and Leonard.

The Big Bang Theory synopsis

Arch-nerds Leonard and Sheldon may know more than their fair share about subatomic particles, but when it comes to people in general, and women in particular, they're absolutely clueless...

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The Expedition Approximation

Sheldon and Raj set up a test to find out whether they could survive a dark-matter research expedition in a salt mine by simulating the conditions in a steam…

E4 8.30pm Thur 27 Nov