E4 +1 Thursday

Peralta and Boyle look into an old case belonging to Hitchcock and Scully from the 1980s. The uniformed officers and detectives fight over resources at the precinct building

Jake and Gina attend their 20th anniversary high-school reunion, while at the precinct, Charles helps Rosa with her love life and the others get caught up in a radio competition

Claire finally gets Phil to agree to sell their old car, and Mitchell decides to build a large princess castle for Lily. Comedy, starring Julie Bowen

Cameron criticises Mitchell over his fear of public displays of affection, leading his friends to reassess Jay's approach to fatherhood. Comedy, starring Ed O'Neill

Comedy clips showcasing amusing internet videos featuring sheep

Gordon Ramsay heads to Brooklyn, New York, to help a man struggling to run two adjacent eateries following the deaths of his parents, who were experienced restaurateurs

Peralta invites his newly discovered half-sister Kate (New Girl star Nasim Pedrad) to come and stay with him in New York, but she turns out to ne a bit of a nightmare

Unstable former undercover cop Pimento shows up as the insurance investigator when Charles's food truck is destroyed by fire. Comedy, starring Joe Lo Truglio and Jason Mantzoukas

The young genius tries to act more like a normal kid after learning that his intelligence could turn him into a socially awkward adult. Meemaw teaches Dr Sturgis how to drive

Missy unknowingly becomes Sheldon's test subject when he agrees to help her with her maths homework, while Georgie joins Mary's bible study group

Sheldon searches for an alternative to human companionship following his break-up with Amy, and things take a turn for the worse when he starts buying pet cats in bulk

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 at work

Cam gets a shock when Mitch calls a concierge to save his New Year's Day feast, while Phil's dad Frank causes waves when he brings a date. Guest starring Kelsey Grammer

A rude parent riles Cam and he goes to extreme lengths to give her a piece of his mind, while Jay, Claire and Mitch run into DeDe at a family wedding

Mitchell is having a hard time letting go of his old life, leading to an intervention from Gloria, while Haley, Luke and Alex decide to throw a party at the Dunphy house

Raj receives advice from Sheldon after he sees Emily on a date with another man, while Penny gets fired from the movie, prompting her to take a serious look at her life

Sheldon becomes upset about his career, the destruction of the comic-book store and Leonard and Penny's future living arrangements

Sheldon's epic railway journey ends in chaos, forcing Leonard and Amy to travel to Arizona to pick him up. Meanwhile, Penny has a job interview

Georgie is thrilled when Veronica comes to stay at the Coopers' house for a few days. Meemaw and Dr Sturgis celebrate their one-year anniversary

The Coopers help a broken-hearted Pastor Jeff through a rough patch in his marriage. Sheldon pressures church members for donations when Mary takes him to work for a day

Gloria, Claire, Haley, Alex, Lily, Luke and Manny find different ways to show support for the women's movement, while a car park causes a major disagreement between Jay and Phil

Mitch and Jay each seek out a much-needed retreat from domestic life, but end up at the same resort, while Cam feels at a loose end and drops in on Gloria's to lend a hand

Lisa rekindles her love of jazz when the family end up in New Orleans, where Bart discovers Louisiana's voodoo, and Homer samples its alcohol

On his deathbed, Grampa makes a confession to Homer that proves hard to reconcile when he recovers

Leonard and Sheldon defend themselves against criticism from an online bully, while the girls confront embarrassing moments from their pasts

Everyone prepares for the re-opening of the comic-book store, but Howard receives some shocking news. Penny is unable to follow her own advice

Sheldon and Penny agree to participate in an unusual experiment, while Howard and Bernadette run into trouble at the airport after returning from Mrs Wolowitz's funeral

Bart lands himself in trouble when he steals a mobile phone from actor Denis Leary and ends up leading his family to the ancient ruins of Machu Picchu

Bart becomes a voice-over artist, while Comic Book Guy is humiliated at Comic-Con. With the guest voices of Ben Platt and Paul Rudd

Claire lands an interview for her dream job, while Cam and Mitch debate the pros and cons of adopting another baby

Bart faces a tough test at school when he gets a new teacher who seems to want to crush his spirit, while the family attends a community festival

Homer finds himself caught in the throes of a mid-life crisis, so he takes up bass guitar and forms a band with some of the other dads in Springfield

Opinions on Cooking with the Stars, Too Hot to Handle, Only Connect, Jaws, Cat People, The Yorkshire Vet, Catfish UK: The TV Show, and BBC News - England Defeat

The armchair critics share their opinions on shows including Planet Earth III, Mamma Mia! I Have a Dream, Surviving Paradise and Uncanny