TLC

The young genius challenges a Nasa scientist about the space programme, and when he is dissatisfied with the answer, he begins to work on a series of equations to prove his point. Ian Armitage stars

The Cooper kids try to come up with ways to resolve a family feud when Meemaw refuses to give George Sr her secret brisket recipe. US comedy, with Iain Armitage, Lance Barber and Annie Potts, and narrated by Jim Parsons (adult Sheldon in The Big Bang Theory)

Alonso's lipomas are holding him back at the gym. A comic book enthusiast deals with lumps on her face. Jeffrey has a leaky head lump named Larry

Estranged brothers John and Lonnie are complete opposites. Now, they're united by their need to lose weight while they still can - and save their relationship

A bride tries to get her twin sister's approval of her dress, while another customer needs all four of her siblings to agree with her choice of gown

A bride wants a colourful gown to go with her theme for the big day, but her mother has other ideas. A customer looks for a dress that will make a dramatic impression

High School Musical star Corbin Bleu helps his fiancee choose a dress, while a bride disagrees with her fiance over the style of gown

A bride prepares for a beer-themed wedding, while a customer seeks the help of her friends in choosing a dress

Buying goods from the comfort of home

Buying goods from the comfort of home

In an attempt to bond with Sheldon, George Sr takes the boys on a road trip to see the Space Shuttle launch. Meanwhile, Mary, Missy and Meemaw have a girls' weekend at the salon. Narrated by Jim Parsons

The young genius is forced to help Georgie revise for a maths test when poor grades threaten his brother's future on the football team. In doing so, he manages to pick up a few skills himself. US comedy, starring Iain Armitage and Montana Jordan

The young genius moves to Dallas to attend a school for gifted children, the family struggles to cope without him around any more. US comedy, starring Iain Armitage

A worried Mary sends Sheldon off to Sunday school after she finds him playing Dungeons and Dragons with Tam and Billy, but Sheldon is soon inspired to study a variety of religions. US comedy, starring Iain Armitage

The youngster asks for a computer and unknowingly sparks a heated argument between his parents over the family's finances, prompting Mary and the twins to move in with Meemaw. Iain Armitage stars

When his germophobia lands him in detention when flu season hits Medford, Sheldon takes extreme measures to remain healthy. Comedy, starring Iain Armitage

Penny starts her own hair accessories business and the orders start to pile in. However, she makes the mistake of asking Sheldon to help, leading to frustration and regret. Comedy, starring Jim Parsons and Kaley Cuoco

Penny feels threatened when a sexy actress, who has landed a role in TV series CSI, moves into the apartment building, and gradually begins to sense that her friends are being manipulated by the new arrival. Comedy, starring Kaley Cuoco, Valerie Azlynn, Johnny Galecki and Simon Helberg

Penny catches the eye of comic-book shopkeeper Stuart, and Leonard is devastated when she gives serious consideration to dating her new admirer. Desperate for help, Leonard enlists Sheldon to discredit his love rival by preying on his obsession with Batman. Johnny Galecki, Kaley Cuoco and Kevin Sussman star

Leonard and Raj take a heartbroken Howard to Las Vegas, where they pay a prostitute to spend time with him. Meanwhile, Sheldon finds himself locked out of his apartment and forced to stay the night at Penny's. With guest star Jodi Lynn O'Keefe

Stuart takes Penny out for a second date, during which she drunkenly reveals her true feelings. Meanwhile, Howard uncovers a flaw in the toilet he designed for a Nasa space shuttle, and asks his friends to help him correct it before the launch. Kaley Cuoco, Kevin Sussman and Simon Helberg star

Sheldon wins a grant to pay for a summer expedition to the North Pole, and invites his friends to join him. However, the gang's imminent departure causes Leonard and Penny to reconsider their feelings for each other. Johnny Gale and Kaley Cuoco star

Sheldon returns to Texas in disgrace when he discovers his friends tampered with the Arctic expedition data after growing tired of his quest for a scientific breakthrough. Elsewhere, Leonard becomes frustrated as constant interruptions hamper his attempts to woo Penny

Sheldon and Howard stake their most coveted comic books on a bet over the species of a cricket, while Leonard and Penny struggle to recover from an awkward first night together. Johnny Galecki, Jim Parsons, Simon Helberg and Kaley Cuoco star

Sheldon succeeds in getting Penny to conform to his high standards, so Leonard adopts a similar strategy for his romantic gain. Meanwhile, Howard and Raj meet two women at a goth nightclub and things appear to go well - until they are taken to a tattoo parlour

Raj accepts Sheldon's offer to work for him as he is desperate to avoid being sent back to India. Howard starts spending more time with Leonard and Penny, who would rather be left alone. Johnny Galecki, Simon Helberg and Kaley Cuoco star

Sheldon is given the chance to square off against the one actor from the Star Trek franchise he holds a grudge against - Wil Wheaton. Meanwhile, Leonard asks Penny to set Howard up on a date with one of her friends. Comedy, starring Johnny Galecki and Jim Parsons

Leonard worries his lack of American football knowledge is alienating him from Penny and her friends. However, he finds an unlikely sporting tutor in the form of Sheldon, who reluctantly spent most of his childhood attending games with his father. Meanwhile, Raj is infuriated when Howard abandons him to pursue a girl at a kite-fighting contest

A jealous Leonard argues with Penny when she invites one of her male friends to stay at her apartment while he is in town. Unfortunately, the row brings up unpleasant memories for Sheldon of watching his warring parents, causing even more tension between the friends. Johnny Galecki, Kaley Cuoco and Jim Parsons star

Howard's fear of commitment causes him to avoid Bernadette, but he soon realises he has made a mistake and tries to compensate for it. Meanwhile, Kripke plays a prank during a radio interview with Sheldon, who sets out to get revenge, only to be caught by the Dean. Johnny Galecki, Simon Helberg and Kaley Cuoco star, with an appearance by Katee Sackhoff (Battlestar Galactica) as herself

Bernadette asks Leonard about his physics experiment, making Howard so jealous that she threatens to end their relationship. Penny also feels put out by the situation, and asks Sheldon to teach her about science. Johnny Galecki, Simon Helberg and Melissa Rauch star

Leonard's mother visits and he is horrified to learn that Sheldon knows more than he does about his own family, including his parents' impending divorce and the death of his dog. Guest starring Christine Baranski