E4 Extra Saturday

Joe DiDomizio, CEO of travel retailer Hudson Group, hopes to find that the company's vow to be 'the traveller's best friend' is being upheld by his employees

Greg Miller, CEO of the Larry H Miller Group of Companies and co-owner of National Basketball Association team the Utah Jazz, goes undercover

Contestants from Japan compete in one of the most physically demanding challenges ever created as they take on the menacing and daunting Ninja Warrior assault course.

Contestants from Japan compete in one of the most physically demanding challenges ever created as they take on the menacing and daunting Ninja Warrior assault course.

Contestants from Japan compete in one of the most physically demanding challenges ever created as they take on the menacing and daunting Ninja Warrior assault course

Contestants from Japan compete in one of the most physically demanding challenges ever created as they take on the menacing and daunting Ninja Warrior assault course

Contestants from Japan compete in one of the most physically demanding challenges ever created as they take on the menacing and daunting Ninja Warrior assault course

Georgie struggles with his big secret, Sheldon copes with the death of a hero and Missy wants to babysit

George Sr and Mary insist on meeting the new woman in Georgie's life, while Sheldon and Missy have suspicions about what is going on with their family

Missy and Sheldon learn about Georgie's pregnancy, and the whole family promises to keep it a secret

As the church congregation gossips about Georgie, Missy stands up for her brother, while Sheldon is distracted by the family drama

The prodigy gets his first spot and is very worried about going through puberty and his childhood ending. Comedy, starring Iain Armitage

Jake and Charles take Terry camping, Amy tries to persuade the police department to buy her invention, and Holt helps Rosa to break up with Marcus. Comedy, starring Andy Samberg

Jake and Amy work together on a case, but wind up arguing over his old, worn-out mattress. Comedy, starring Andy Samberg

Jake is left looking after Terry's pregnant wife, only for panic to set in when her waters break sooner than expected

Jake and Rosa assist Interpol with a case, while Amy and Terry team up to help Gina study for an exam. Captain Holt and Charles double up for a squash tournament

Peralta, Boyle and Linetti try to buy some Christmas presents, but their shopping trip turns dangerous when they stumble into a hostage situation. Comedy, starring Andy Samberg

Holt and Diaz have to rely on Gina to get a suspect to talk, and Santiago needs Jeffords' recommendation for a mentorship programme, but she accidentally breaks his nose

Holt and Peralta contract mumps during an investigation, so the pair elect to be quarantined together in the hope that they can use the time to solve the case

Peralta comes face to face with his old enemy Doug Judy when he and Santiago go on a cruise, while Holt tries to avoid his visiting sister Debbie

Jake's mother tells him that she is back together with his estranged father, while Rosa and Charles work a drug bust wearing chest-mounted cameras for the first time

Chaos ensues when a plumbing emergency forces staff from a neighbouring station to work temporarily from the Nine-Nine precinct, and Boyle becomes jealous of Peralta's old partner

Gordon Ramsay meets the stubborn owner of the Olde Hitching Post in Hanson, Massachusetts, who bought the restaurant for his daughter but refuses to let her run it

Gordon Ramsay heads to an Italian restaurant in Beaver, Pennsylvania, where he meets a brother-and-sister team who find it almost impossible to work together

Amy and Sheldon start a gossip experiment to see how quickly rumours spread among the gang, while Howard tells his friends he is planning to propose to Bernadette

Sheldon is infuriated when Priya uses her legal knowledge to find a loophole in the room-mate agreement - but his spirits are lifted by a night on the town

Amy and Penny ask Bernadette to help them spy on Leonard and Priya after the couple invite her and Howard to dinner. Raj finds a cure for his fear of talking to women

Howard decides to tell his mother that he and Bernadette are engaged - but she later collapses, making him fear the shock of the news has caused her to suffer a heart attack

Raj becomes Sheldon's new flatmate, and after Bernadette receives her PhD the friends tease Howard about being the only one among them who is not a doctor

Penny worries about the consequences of spending the night with Raj, and Sheldon takes command of the paintball team

Amy is caught in a battle of wills between Sheldon and Penny, while Leonard tries to reignite his long-distance relationship with Priya, who has moved back to India

Leonard accompanies Amy to a colleague's wedding, and Howard tries to persuade Bernadette they should live with his mother after getting married

Raj feels upset about not being in a relationship, so Penny sets out to find a date and introduces him to a girl he can actually talk to

Sheldon's old adversary Wil Wheaton returns and invites everyone to a house-warming party. Leonard is eager to go, but Sheldon threatens to shun him if he attends

Rick brings Morty to a mysterious planet containing crystals that show whoever is touching them all the ways they may die, depending on the choices they make in life

Morty is enraged when he finds out that Jerry and a mischievous alien called Glootie have launched an app, and Rick discovers a secret toilet facility in an idyllic dimension