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Buying goods from the comfort of home

Buying goods from the comfort of home

After graduating high school, Sheldon has a breakdown when he realises he may not be ready for college. Dale tries to make amends with Meemaw. Comedy, starring Iain Armitage

With college in sight, Sheldon is determined to ride his bike without training wheels. All goes well until he has a run in with a chicken and falls, breaking his arm. Mary and George Sr argue over parenting styles. Comedy, starring Iain Armitage

Penny struggles with Leonard's confession that he kissed another woman when he was away on his North Sea research expedition. After driving all the way to Las Vegas, she must now decide whether she wants to go through with the wedding. Back home, Sheldon doesn't know how to act after Amy tells him she wants them to take a relationship break

Leonard meets up with the woman he kissed during his trip in the hope of setting Penny's mind at ease, while Sheldon films a special episode of Fun with Flags after his break-up with Amy. Bernadette feels guilty about keeping a secret from Penny

The guys' science skills are put to the test when they get a flat tyre during Leonard's surprise bachelor party weekend in Mexico. Meanwhile, the girls finally force Penny to break the news to her family that she has eloped with Leonard. Keith Carradine guest stars

Penny and Leonard announce that they are moving in together, prompting Sheldon to revisit 2003, a much simpler time before he had met either of them. Howard and Raj form a band to play at the comic-book store, only to fall out over musical differences

The boys want to become more sporty, so Barry Kripke leads them in a fencing lesson, while Penny, Amy and Bernadette help Stuart, who wants to attract more female customers to the comic-book store

In the middle of a nationwide shortage of liquid helium, Sheldon and Leonard take desperate measures to obtain the supplies they need in order to prove a scientific theory before a rival team of researchers can beat them to it. Meanwhile, Penny and Bernadette download a dating app onto Amy's phone in order to find her a new boyfriend

While being interviewed for a documentary about Star Trek character Mr Spock, Sheldon struggles to suppress his emotions about his recent break-up with Amy, leaving Leonard and Penny shocked to discover he had bought her an engagement ring. Howard and Bernadette fall out over plans to renovate his childhood home. Wil Wheaton, Adam Nimoy and Stephen Merchant guest star

Amy has a date with a mystery man, so Sheldon asks Howard and Raj to help him find a new girlfriend online. When Amy is coy with the details about the guy she's dating, Penny and Bernadette decide to spy on them. Stephen Merchant guest stars

Mike's boss Capt Patrick Murphy offers to give him tickets for a pair of choice seats at a basketball game in exchange for a date with his mother, and the bewildered cop is left in an even more awkward situation when the pair become an item. Comedy, starring Billy Gardell, Melissa McCarthy and Rondi Reed, with guest Gerald McRaney

The youngster finds himself in a fierce competition with Paige when their mothers force them to attend Vacation Bible School. George is furious after Georgie makes a questionable purchase. Comedy, starring Iain Armitage

Dale and Meemaw work out their relationship issues while playing Dungeons and Dragons with Sheldon and Missy. Mary and George take a trip with Coach Wilkins and his wife, and Georgie is alarmed to learn his girlfriend thinks she's pregnant. Iain Armitage stars

College orientation does not go as Sheldon planned. Mary is invited to a party when she's mistaken for a university student, while George Sr helps Pastor Jeff set up a children's nursery. Comedy prequel to The Big Bang Theory, starring Iain Armitage

Sheldon and Amy try hanging out as friends when they spend Thanksgiving together at the aquarium. Howard reluctantly agrees to volunteer at a soup kitchen with Bernadette, Raj and Emily. Meanwhile, Penny discovers that Leonard knows more about her than she thought

Sheldon is driven to distraction when a tune becomes stuck in his head, while Amy and Dave arrange another date and Howard and Raj discover their band has a fan, but tracking him down turns out to be a mistake. Comedy, starring Jim Parsons, Mayim Bialik, Simon Helberg and Kunal Nayyar