E4 +1 Tomorrow

Penny gets more than she bargained for when Leonard meets a psychiatrist on her behalf, while Sheldon and Raj collaborate on an astronomical discovery

After being forced to deal with a sick Sheldon, the rest of the gang try to treat themselves to a Sheldon-free weekend. Comedy, starring Johnny Galecki and Jim Parsons

Sheldon's grandmother finally comes to Pasadena to visit her favourite grandson, and ends up clashing with Amy. Comedy, guest starring June Squibb

Tensions rise in Grace's family, and a row erupts between sisters. Tom and Peri rekindle their teenage romance. And a resident plots revenge

The village holds a vigil for the serial killer's victims, Cleo visits Joel in prison, a hurting mother admits her true feelings, and a resident receives unexpected flattery

Gordon Ramsay revisits three of the restaurants he tried to save, returning to Lido, Anna Vincenzo's and Le Bistro to find out whether his advice has been put to good use

Two more brave singles take a gamble on love at the altar, but will the new bride's high-speed approach prove too much for her laidback groom? Meanwhile, in-laws week continues

Featuring an attempt to get dressed on a treadmill, a vending machine, a fall into a river and a penalty kick back

Mr Burns replaces the power plant employees with robots - but trouble soon brews when the mechanised workers develop rebellious tendencies

Sheldon and Penny bond as they miss Leonard, while Bernadette and Amy visit an out-of-town conference and prove popular at the hotel bar

Leonard returns from his research expedition and undergoes an adjustment period with Sheldon, and Howard experiences an unusual emotional reaction

Claire and Gloria plan to spend time with their children outdoors, and Phil witnesses an unexpected moment of weakness from Jay. Comedy, starring Julie Bowen and Sofia Vergara

Claire and Phil swap parenting roles, and Gloria falls for a sob story, while Jay helps an overzealous entrepreneur with his dog training scheme

When Leonard and Sheldon are invited to speak at UC Berkeley, they decide to take a detour and try to meet George Lucas. Comedy, starring Johnny Galecki

Howard finds out that he has a half-brother, Sheldon and Amy have a sleepover, and Penny gets an offer to audition for a film. American comedy, starring Johnny Galecki

Penny contemplates a return to acting, while Raj is asked to create a message on the off-chance a Nasa mission discovers alien life. Kaley Cuoco and Kunal Nayyar star

Howard questions his engineering abilities when he fails to get a toy drone to fly, while Raj pits his parents against each other when his father cuts him off financially

Jake and Amy investigate a string of arson attacks connected to a famous author of crossword puzzles. Gina helps Holt improve his commissioner candidate presentation

Jake and Charles get conned into joining a pyramid scheme. US cop comedy, starring Andy Samberg and Jo Lo Truglio

Homer wins a motorcycle and forms his own gang - only to encounter trouble in the form of bikers the Hell's Satans. Featuring the voices of John Goodman and Henry Winkler

A corporation buys Springfield Elementary School and secretly uses the pupils as guinea pigs to test a new toy range. With the voices of Tim Robbins, Joe Mantegna and Gary Coleman

Two more brave singles take a gamble on love at the altar, but will the new bride's high-speed approach prove too much for her laidback groom? Meanwhile, in-laws week continues

Comedy clips showcasing amusing internet videos, featuring weddings, space and sci-fi fans

Sheldon and Amy host a Valentine's Day episode of Fun with Flags, while Leonard and Penny grapple with getting older, and Raj is torn between two girls

Santa's Little Helper is thrown out of the house for failing to save Homer from a fire - but goes on to become the Duff Beer mascot

Homer is banned from driving, forcing Marge to take charge of the family car and run errands for everyone. Featuring the guest voices of Steve Busmen and Jackson Browne

A proposal is interrupted by a shock announcement, and Lucas and Dillon are at loggerheads. Meanwhile, a resident receives an ultimatum

Kieron Richardson is joined by Nicole Barber-Lane, Jorgie Porter, Gemma Merna and Anna Passey for behind-the-scenes features, interviews, games, spoilers and set secrets

The final couple in the experiment say 'I do' and find an instant spark in a passionate ceremony. Meanwhile, in-laws visits continue

The armchair critics share their opinions on Strictly Come Dancing, Vigil, Serengeti II, Andrew Marr's interview with Keir Starmer, and ITV news coverage of the petrol crisis

Modern-day lothario Lewis, 27, arrives at the restaurant with a tried-and-tested plan to charm his way into the affections of 23-year-old flight attendant Megan

Claude and Amy seek sexual and emotional relationships with as many partners as possible. Jonny and Sarah fall for the Gallic charms of a lingerie model

The final couple in the experiment say 'I do' and find an instant spark in a passionate ceremony. Meanwhile, in-laws visits continue

The armchair critics share their opinions on Strictly Come Dancing, Vigil, Serengeti II, Andrew Marr's interview with Keir Starmer, and ITV news coverage of the petrol crisis

Gary and Daisy try to work through resentments that bubbled up between seasons, while the new crew members get feisty and flirty

When Bernadette shares some news, the groups' reactions are not what she expected, with Wolowitz freaking out about her announcement

In the 200th episode of the comedy, the gang finally celebrates Sheldon's birthday after more than nine years together, with the help of a few special guests

Leonard, Sheldon and Howard face problems when they file for a patent for their infinite persistence gyroscope. Plus, Penny, Amy and Bernadette give Raj dating advice

Gloria gives Claire a birthday experience she will find it hard to forget, while a childhood trauma haunts Cam when he winds up in hospital

Gordon Ramsay revisits three of the restaurants he tried to save, returning to Lido, Anna Vincenzo's and Le Bistro to find out whether his advice has been put to good use