On a busy Saturday night, PC Will Cawte is on shift when an urgent call comes in about an aggressive man who has been threatening an officer. As Will arrives in Lincoln city centre, the topless male refuses to cooperate and is tackled to the ground, put in a custody van and taken back to South Park Station.

James finds himself in the middle of a cheating scandal, Emily starts to grow closer to Miles, and Inga finds herself in another dramatic showdown with Sam Prince.

Rick Edwards and Beau Ouimette head to north Wales to investigate waterways that may contain signs of the medieval Welsh Rebellion. Conwy Castle was constructed by Edward I between 1283-1287 after the Welsh Rebellion of 1282-3. The castle was part of a chain of fortifications known as the `Iron Ring of Castles" and was both a material and symbolic sign of English power and dominance. Edward I selected its site on a high rock perched above the estuary of the River Conwy so that the castle could be supplied by the river in times of siege. Day two finds the pair at Ruthin Castle, a medieval fortress overlooking the River Clwyd.

Angus Ashworth helps Amanda and Steve clear their late parents' home in Huddersfield, which is full to the brim with memories and treasured possessions.

Davina McCall and Nicky Campbell return with more stories of people who were abandoned as babies, helping them try to find their birth families and know their identities. For a man left as a baby on church steps more than 50 years ago, there are shocking revelations when a long-held family secret is finally uncovered, while a young woman who was discovered in hospital toilets in the 1980s receives some surprising news that deepens the mystery of her beginnings.

In the concluding episode of the series, Jim encounters ever larger cosmic structures to reveal the latest breakthroughs in our understanding of the universe. For example, there's the heliosphere, a vast cloud of solar plasma that surrounds and protects the solar system. Its unique physics help us understand why life is possible. Larger still, Jim comes face to face with our galactic home the Milky Way, a monstrous structure sculpted by the gravitational forces of dark matter. Jim finds out from pioneering researcher Adrian Fabian about the black hole at its centre, whose strange behaviour includes emitting the lowest note that can be heard in the cosmos.

At an even greater scale, Jim encounters huge structures such as the Laniakea Supercluster, of which the Milky Way is only a tiny part. Then there's 'the giant arc', a collection of galaxies that account for more than three per cent of the observable universe. Jim learns from its discoverer, British PhD student Alexia Lopez, that this gargantuan structure is forcing scientists to reassess their theory of how the universe evolves and may overturn some of the most fundamental principles in physics.

In Liverpool, following the launch of Sam Ryan's new company, the health secretary is assassinated. Sam summons the Lyell team with a plea to help investigate, but Nikki is unsure whether she can trust Sam, who seems to know more than she's revealing. Meanwhile, Jack and Nikki navigate their feelings for each other.

The hunters track Elinor and Meurig to his sister's house in Brecon, where Meurig makes a dramatic getaway. Despite a close shave, Shoba and Amarinder continue to rely on their family network. Nathan and James devise a plan to lure the hunters to a fake rendezvous. A deleted text gives the hunters a lead on the whereabouts of urban explorers Katie and Liam.

Car dealer supremo Mike Brewer and mechanic Marc 'Elvis' Priestley help petrolheads trade up their unwanted vehicles to get them the car of their dreams.

The close relatives of those on-board, waiting desperately for news, grew increasingly frustrated with what they were being told by the authorities and what was being reported. Satellite data soon emerges showing the plane continued to fly for many hours after it disappeared from radar. And as the theories begin to emerge, suspicions about those on-board and in charge of the plane start to intensify while the frantic search for MH370 continues apace.

Sandi Toksvig looks at sugar and spice and all things nice with Alice Levine, Jason Manford, Rose Matafeo and Alan Davies.

Sara Pascoe is joined by comedians Paul Sinha, Kiri Pritchard-McLean and Tim Renkow, who compete to deliver the best lecture. Paul's lecture is 'The Art Of Quizzing', Kiri's is 'Everyday Sexism' and Tim's is 'How To Teach Kids About Taboo Topics'.

Ellie ensures that nothing can stop Ruby from becoming her surrogate, but will today's home insemination go as planned? Meanwhile, Amber looks to reconcile with Lou by unlocking her fun side with help from Mikey, and Mulvaney seeks reassurance after receiving a life-changing document.

Four months after MH370 disappeared, the world and the relatives of those on board are no closer to finding out what happened on the flight, or how it disappeared. As they become increasingly angered by the lack of information, many take matters into their own hands and start their own investigations, turning detective to dig deep into the evidence. With the multinational search of the southern Indian Ocean proving fruitless, there is no sign of any wreckage — until what could be debris seems to start washing ashore along the East African coastline. The official investigations dismiss the idea, but a maverick lone investigator starts to search the beaches himself. Soon pieces of wreckage start to emerge, and as he starts to talk about his findings, the group of relatives investigating the disappearance joins him in Madagascar, hoping to find something that reveals where MH370 is. A picture of what might have happened begins to emerge, and suspicions once again focus on the crew inside the plane.

While housesitting at Wayne Manor, the Titans must unravel the mystery of the clogged toilet.

Ryan Long / Philadelphia, Pennsylvania, Rideshare Driver; Mari Chao / Orlando, Florida, Writing Center Coordinator; Jodi Harris / Culver City, California, Content Strategist.

When the government-led search for MH370 officially finishes, a private company with cutting-edge ocean-floor technology steps in to try and finally find the missing plane and provide answers for the relatives of those on board. Unofficial mapping from Australian academics points to a new location, but is similarly officially dismissed. As more is understood about the plane's debris and the official safety investigation comes to an end, its conclusions raise questions among aviation and industry experts who now believe they know what happened to MH370. The theories about the actions of the pilot and crew begin to crystallize, and a clearer picture of what may have caused the incident begins to emerge. Brand new analysis of cockpit records suggests shocking events on board the aircraft, and a controversial new mapping technology that narrowed down the search area dramatically brings with it new hope of finding MH370. Can this finally explain what exactly happened on-board the doomed flight?

Guest host Miles Jupp and panellists James May and Jess Phillips MP join Ian Hislop and Paul Merton.

A father of four from Las Vegas, NV, competes.

After an intense ending to the Halloween party, Spencer tries his best to compartmentalize everything and focus on the big Homecoming game. Much to Laura's dismay, Billy and Olivia set out on a mission to do what they think is right, which leads them to learn more than they anticipated. Jordan makes it known in what he wants but is met with resistance, and Layla gets an unexpected bombshell at work. Coop is at an emotional crossroads and Asher learns the power of adjustments. Meanwhile, Grace gets a life changing offer she may not be able to refuse.

After going more than half a century without renovations, Julia and John are hoping their worn out family cabin, which was built by John's grandfather, can start generating money for them.

To throw a celebration that properly honors their future daughter-in-law's Nigerian heritage.

When a new charismatic pastor joins their congregation, Abishola is thrilled that Bob has renewed interest in church, but less so when her mother takes a new interest in the pastor. Also, when Dottie gives out bonuses to upper management, Bob must make sure he doesn't lose his best employee.

Jimmy and Kim deal with a last-minute snag in their plan.

When Agent Parker is framed for murder, the team puts their jobs and lives on the line to buy time and uncover the truth.

As Homecoming week continues, Simone grapples with her role on the tennis team and Thea receives some upsetting news. With Coach Marcus nowhere to be found, an interim coach steps in which creates conflict for Damon and JR as they try to win their most important game. Keisha throws herself into raising funds for Bringston in the hopes of helping to keep her chosen family together, while Cam makes a decision that could have major consequences. Meanwhile, Amara finds herself back in the spotlight with a surprising career opportunity.

The first teams of the season compete.

 

Jensen, Sieracki, and US Attorney Leo Wise prepare to charge the GTTF officers. Suiter feels community distrust as he works a homicide, sensing that his past is closing in on him. Steele and Davis seek support from the new mayor.

John C. Reilly's longtime friend owns an eclectic junkyard that's a neighborhood hangout, but the property's century-old cabin is in need of help. Jonathan and Drew join in to give the house the modern upgrade it deserves without losing its funky flair!