When an eight-year-old boy finds his grandfather dead in a pub basement, he tells Rob that he was hit by a man with a baseball bat, but Vivienne doubts his story. Later, Vivienne pressures Rob to report that he covered for David on the night of Sarah's disappearance.

While the team looks into the murder of a Portuguese au pair who was recently fired from her job, Vivienne and Rob start investigating David on the sly, but he remains a step ahead of them.

When a father and son are shot execution-style in broad daylight, the detectives immediately suspect a gangland hit and worry the violence could escalate. David sees an opportunity to finally apprehend crime kingpin Adrian Cook.

In exchange for turning a blind eye, Adrian gives Rob the name of someone who knows where Sarah is, but that person turns up dead. Now believing that Sarah may still be alive, David and his team race to her find her.

Our top five are battling to win an advantage for the next challenge, which could secure them a spot in the semifinal. Contestants can cook whatever they want and decide how much time is on the clock.

The semifinals continue with Pete and Courtney's house getting a much-needed garden makeover, and it's the last chance for teams to fight for a place in the grand final.

Marie's efforts to have her conviction overturned backfire when her protector attempts to silence her permanently. Meanwhile, Liz summons the courage to meet with her estranged son.

Anne must learn the value of teamwork to win the town's annual Bugball game.

Anne, Sprig and Polly are forced to stay at a daycare center that turns out to be more than it seems.

Lincoln and Clyde (as Ace and Jack) investigate when they discover a frozen food company using Dad's recipes. Guest Star: Philece Sampler

Jo and June, a mother and daughter from Cheshire, and Chris and Billy, a couple from the Midlands, join Davina McCall for the quiz.

The cast talks about the Young Justice: Outsiders episode "Leverage", and we get a special look at the Michael Keaton batsuit restoration before Comic Con.

Aaron is shocked by Robert's plan, Brenda gives Vanessa an idea and Debbie has a confession.

Actress Jenna Elfman.

Tiffany is left reeling from the consequences of Jack's recent actions, Phil makes a drastic decision about his family's future, and Shirley contemplates a recent offer.

Cory is kicked out after being caught with his dad's girlfriend. Hoping for sympathy, he is amazed when Naveed is appalled. The friends fall out, leading Nas to take Naveed on a night out with a difference. He meets a guy who proves to be the perfect distraction from Cory. It's Mandy's maternity cover, Sian who scoops up Cory, but he oversteps the mark when he kisses her. Later, when Mandy gives birth, she feels overwhelmed and underprepared for motherhood, but luckily she has help from Kaneez.

Nicki Chapman and Diarmuid Gavin welcome professional gardening teams from opposite ends of the UK. They are challenged to create amazing spaces in just two days, on a budget of £5,000, for the Care for Veterans home in Worthing, a specialist care home for elderly and disabled military vets. With a brief that includes making sure the gardens are wheelchair-friendly and low maintenance, the teams come up with very different designs.

As loved ones continue to worry about her, Chloe starts to learn more about Evan. Will she be rocked by more family revelations? Cameron wants to prove himself as a doctor, and get out from under Bernie's shadow, but he receives some devastating news. And Hanssen discovers his grandson is not the only one who believes in the tooth fairy.

Robert and Aaron are on a mission, Rhona feigns happiness and Lydia confronts Nicola.