TV Guide TLC Thursday

Dottie loves being a mother but, at over 600lbs, she's on the verge of leaving her two young children motherless. Cameras witness her as she takes drastic action in a bid to turn her life around

Buying goods from the comfort of home

Buying goods from the comfort of home

As everyone gathers for the birth of Mike and Molly's adopted child, the couple reflect on their relationship and past events. Last-ever episode of the comedy, starring Billy Gardell and Melissa McCarthy

Comedy about a Chicago couple: easy-going police officer Mike Biggs and likeable teacher Molly Flynn, who must somehow find their own little haven of happiness among their chaotic, ever-present friends and family. In this pilot episode, Molly is impressed by Mike's contribution at an Overeaters Anonymous meeting. Instantly smitten, she invites him to come and speak to the pupils in her class. Starring Billy Gardell and Melissa McCarthy

While Sheldon is busy obsessing over the status of Meemaw's budding relationship with his mentor Dr John Sturgis, George and Mary attempt to bond with their other children. Comedy spin-off prequel to The Big Bang Theory, starring Iain Armitage

Meemaw is pursued by two gentlemen callers, only for Sheldon to interfere, forcing her to set some ground rules. Richard Kind and Wallace Shawn guest star, with Iain Armitage

The prodigy dismantles the refrigerator to stop it making an annoying humming noise and is then forced to get a paper round to pay for the repairs to the damaged appliance. Comedy spin-off prequel to The Big Bang Theory, starring Iain Armitage

Raj and Howard register Sheldon with an online dating site hoping to find his perfect female equivalent. Meanwhile, a drunk Penny seduces Leonard, but regrets it the next day. Comedy, starring Johnny Galecki, Jim Parsons and Kaley Cuoco. Mayim Bialik makes her first appearance on the show

Penny is stunned when Sheldon announces he is about to go on his first-ever date, and is even more surprised to find herself tagging along. Meanwhile, Leonard and Raj take a trip to the hospital after Howard's new robotic arm creates problems

Sheldon tries to extend his lifespan, concerned he will not be around long enough for his consciousness to be downloaded into a robot body, and the friends encounter Apple co-founder Steve Wozniak (guest starring as himself) at the Cheesecake Factory

Sheldon breaks up with Amy and turns to cats in his search for an alternative to human companionship. However, when he starts to bulk-buy pets, Leonard decides enough is enough and calls for reinforcements to help bring his friend back to his senses. Comedy, starring Jim Parsons

An embarrassing secret from Howard's past comes to light as he tries to win back Bernadette, while Sheldon and Raj engage in a battle of wills when they have to work in the same office. Guest starring Katee Sackhoff and George Takei

Leonard is depressed that everyone seems to be paired off except him, and resorts to desperate measures to get a girlfriend. Meanwhile, Sheldon looks for a way out of his relationship with Amy, who wants him to meet her mother. Comedy, starring Johnny Galecki and Jim Parsons

Raj's sister Priya visits the gang, causing tension when Leonard tries to cover up the fling he once had with her. After discovering his friend's secret, Sheldon struggles to keep quiet, leading the guys to reveal information they have all been keeping from one another

Leonard vows to be more self-assured around women, believing his problem attracting a girlfriend stems from a lack of confidence. An FBI agent interviews the gang to assess Howard's suitability for a team working on a new surveillance satellite. Guest starring Eliza Dushku

Meemaw intervenes when Sheldon gets jealous of Dr Sturgis bonding with Paige, a rival 10-year-old genius. In the meantime, Mary invites Paige's family over for a play date

Following a tragic accident in the local community, Mary's faith is shaken. Seeing his mother doubt everything she believes, Sheldon becomes an unlikely ally. Comedy, starring Iain Armitage and Zoe Perry

The friends set up camp outside a cinema to get tickets for a new cut of Raiders of the Lost Ark - but find themselves resuming hostilities with Sheldon's old foe Wil Wheaton, the former Star Trek: The Next Generation actor. Meanwhile, Penny and Bernadette invite Amy to a sleepover

Penny's father pays a visit and Leonard discovers she told her parents they were back together, so he plays his boyfriend role to the hilt - much to her dismay. Meanwhile, Raj gets drunk and makes a pass at Howard's girlfriend Bernadette. Guest starring Keith Carradine