E4 Extra

In Los Angeles, Gordon Ramsay visits La Frite, a French restaurant that's being run into the ground by its squabbling family owners.

Lido, Anna Vincenzo's and Le Bistro - to check in with the owners he helped. Has his advice been put to good use.

Peralta and Captain Holt clash over the merits of Holt's newly hired assistant. The team attempt to clean and declutter the communal office.

Captain Holt suspects a cunning escape after discovering that his lifelong criminal arch-nemesis has died in a prison transport accident.

Robin's refusal to go to the shopping mall piques Ted's interest as to why she dislikes them so much. Marshall and Barney propose a 'slap bet' to discover the reason.

Barney is struggling with the fact that his friends are all in relationships. Then his brother arrives for a visit and reveals that he is settling down too.

Leonard buys a dining table for the flat but Sheldon objects to such a big change inside his home. Meanwhile, Howard gets the chance to return to space.

In an attempt to improve their strained friendship, Howard invites Sheldon to visit NASA with him. Penny is upset when her car breaks down.

Jonny discovers that Adam secretly dumped his beloved panda toy when they were kids. War breaks out, and Adam's cherished toy rabbit, Buggy, is in danger.

Adam isn't happy when Jonny claims to have dislocated his shoulder to get out of cleaning the loft. Mum and Dad aren't speaking, and Aunty Val visits to support Mum.

Desiree Burch tackles tennis balls and gaffer tape, and Alan Davies finds out how many circles he can carry, as Greg Davies dispenses justice.

Mark gets into online gaming and live role play with Dobby and wonders whether she may really be 'the one'. Meanwhile, Jeremy gets involved with a cult.

Newly promoted Mark decides to enjoy his extra power and wealth by splashing out on a boiler and a 'creamy elephant' sofa, and by finding Jeremy a job in the office.

Lido, Anna Vincenzo's and Le Bistro - to check in with the owners he helped. Has his advice been put to good use.

The friends use a two-way mirror to get each other to crack. And the loser gets taken for a ride that ends with a visit to the Statue of Liberty.

Murr, Sal, Q and Joe pose as trainees at a juice bar and plead with strangers to get things untangled. And tonight's big loser confronts his biggest fear.

The Good, the Bad and the Punished: The guys pose as New York City cab drivers, and solicit undeserved congratulations at the park. The loser plays sheriff in an old Nevada town.

Joe, Sal, Murr and Q make bizarre passes at supermarket shoppers, and pose as roving reporters asking ridiculous questions.

Mike Bloom, the president and COO of discount chain Family Dollar, goes incognito to find out where the firm is excelling and where it needs improvement.

The Huangs are hosting Thanksgiving this year, and Jessica is determined to out-do her sister who has hosted in years past.

Jessica and Honey's friendship hits a rough patch following an argument. Louis's old friend Barry overstays his welcome, and Eddie starts a part-time job.

Jessica loves the holidays but feels that Santa could use some improvements. So she and Louis convince Evan that Santa is a scientist.

The Huangs prepare to celebrate Chinese New Year with their family in Washington, D.C.

Honey and Marvin babysit the so Jessica and Louis can enjoy Valentine's Day. Emery makes an alarming discovery when he walks in on his parents' alone time.

Ted's romantic luck is bolstered by his new relationship with Robin, who has yet to reveal her love of guns. Marshall is feeling down after his split from Lily.

Marshall has a string of ill-fated nights out with Barney in a bid to meet new women. He eventually goes on a date, but bumps into Lily.

Ted and the gang have brunch with his parents. Robin worries that Ted's mum doesn't like her but realises that isn't the case when a huge secret is revealed.

Architect: Ted and Robin have their first big argument after Robin becomes annoyed at hearing Ted's work grumbles, so Ted's pals try to prove that he's not dull.

Lily moves into Barney's flat to escape her rat-infested home. The two fall asleep in each other's arms but feel awkward when they wake up.

Diaz and Santiago team up to take down a ruthless killer who has managed to elude them for seven years. Jeffords helps Peralta with wedding chores.

The precinct squad rush to save Peralta and Santiago's wedding day from a major threat. Captain Holt receives an email containing important news.

Peralta and Santiago see a familiar face on their honeymoon. Gina and Boyle get into a family squabble. Jeffords must live up to his new nickname.

Peralta and Boyle revisit an old case of Hitchcock and Scully's from the 1980s. Limited resources at the precinct building cause tension.

Peralta and Gina attend their 20-year high school reunion. Boyle helps Diaz with a decision. A radio show mystery sound contest baffles the guys.

Gina plays a game of chess with Captain Holt, goes out for lunch with Diaz and Santiago, and infiltrates an expensive social club with Peralta.

Jeffords thinks the Pontiac Bandit's up to his old tricks again. The team battle some firefighters to keep Shaw's bar a police hangout.

Peralta and Diaz doggedly work and rework a crime scene in an effort to solve a difficult murder case that is clouded by confusing evidence.

Peralta and Captain Holt clash over the merits of Holt's newly hired assistant. The team attempt to clean and declutter the communal office.

Captain Holt suspects a cunning escape after discovering that his lifelong criminal arch-nemesis has died in a prison transport accident.

Gordon Ramsay visits The Olde Stone Mill in Tuckahoe, New York. The restaurant has been restored, but owner Dean cannot get customers through the door.

Gordon Ramsay visits a family-owned Italian in Michigan, run by a father and son who constantly clash. Can he get the restaurant - and the family - back on track.

Leonard worries that Sheldon will overreact when he confesses that he failed to return a DVD to the rental shop seven years earlier.

Howard takes the gang to his mother's house for Thanksgiving to protect himself from his grumpy father-in-law who has also been invited.

Sheldon feels guilty when he gets attention for his accidental discovery of a new element. Raj stays with Howard and Bernadette for a week.

Sheldon has to go back to Texas when his sister goes into labour. While he's away, the gang gather at the flat to decorate the Christmas tree.

Penny's big TV acting break hits the cutting-room floor, so Leonard does his best to comfort her, which leads her to ask him a bold question.

Penny quits her job at the restaurant to pursue her acting career full-time. Bernadette accidentally destroys one of Howard's comics.

After the guys miss out on Comic-Con tickets, Sheldon decides to hold his own comic book convention. The girls take tea at a swanky hotel.

Love is in the air when Amy convinces Sheldon to join her for a romantic train trip to Napa Valley to celebrate Valentine's Day.

Leonard buys a dining table for the flat but Sheldon objects to such a big change inside his home. Meanwhile, Howard gets the chance to return to space.