E4 +1 Tuesday

Junior and Olivia invite Bow and Dre over for dinner in their new apartment, but upon arrival, they immediately become concerned with the young couple's living conditions

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

Turbulent times lie ahead for one resident, who has to confide in someone unexpected, and everyone rallies round to support Mercedes

Drama following the lives and loves of young people in Chester

Comedy clips showcasing amusing internet videos on the themes of food and animals

Gordon Ramsay visits a failing restaurant in Bridgeport, Connecticut, which is being neglected by estranged husband-and-wife managers teetering on the edge of divorce

Peralta takes part in an undercover FBI operation that ends in a mass arrest - only for one of the mobsters to escape. US cop comedy, starring Andy Samberg

Holt is taken by surprise when his long-time nemesis arrives to carry out an inspection, while Peralta and Jeffords investigate a stabbing at a trendy milk bar

Missy asks some uncomfortable questions at church, while Meemaw and Georgie go into business together. Comedy, starring Iain Armitage

Meemaw helps Dale take care of his ex-wife June after she suffers a knee injury, while Sheldon takes his first engineering class with the no-nonsense Professor Boucher

Penny tries to put a stop to Leonard's plan to be a sperm donor for her ex-boyfriend Zack's wife. Howard, Bernadette, Anu and Raj make the most of the latter's cancelled stag party

The friends find out Wil Wheaton is hosting a celebrity Dungeons and Dragons game with William Shatner and Kevin Smith - and will do anything to get the final seat at the table

Manny and Luke compete for a role in Cameron's production of The Phantom of the Opera, while Phil hopes that taking golfing lessons will help him secure more clients

Claire flies solo to her college reunion and runs into a professor she once dated, but when Phil shows up things get really awkward

Raj's parents set him up on a blind date in the hope of initiating an arranged marriage, but the girl in question seems more interested in Sheldon

Leonard and Sheldon receive an invitation to present their research to a physics conference, but it causes conflict between them - and Penny's intervention makes matters worse

Sheldon and Leonard invent excuses to avoid going to watch Penny's performance in a musical, but maintaining the pretence makes matters ever more complicated

Sheldon falls ill and his friends stay well away, knowing he will be in a terrible mood, but an unsuspecting Penny offers to nurse him

Peralta and Boyle's friendship is tested during an eight-day stakeout, while Captain Holt's nephew visits Brooklyn and makes an instant impression on Diaz

The team visits Boyle's beach house on a detectives-only getaway, but Peralta ruins the fun by inviting Captain Holt along. Comedy, starring Andy Samberg

Gloria panics when Joe is deemed too aggressive, and Cam spins Lily a little white lie about her missing cat, but it soon spirals out of control

Cam is scared to tell his sister about his engagement because he thinks she is a sad and lonely singleton, while Phil and Claire decide to skip Luke's volleyball game

Meemaw's gambling room becomes a success, while Sheldon dips his toe in the stock market and Missy starts a business

Georgie comes clean to Mandy, while Sheldon gets an odd request from old friend Paige, and George Sr and Mary are caught in the middle of Meemaw and Dale's breakup

Sheldon's obsession with gift-giving etiquette annoys his friends as Christmas approaches, and Leonard's new colleague dates Penny. With guest star Michael Trucco

Barry Kripke challenges the boys to a robot duel, while Howard is devastated when Penny finally tells him what she thinks of his chauvinism

Sheldon develops a scientific procedure for making friends, but must first win the trust of fellow scientist Barry Kripke to prove his findings. Comedy, starring Jim Parsons

Sheldon lends Penny money to pay her rent, but it leads to a confrontation between Leonard and her ex-boyfriend. Starring Jim Parsons, Johnny Galecki and Kaley Cuoco

Drama following the lives and loves of young people in Chester

It's Teacher Appreciation Day, and when the district gives Abbott two courtside tickets for a Philadelphia 76ers game, the teachers must decide who deserves them

Adja confides in her aunt about commitment issues, Victoria makes plans for her crush to visit, and the girls go to a professional handball game to watch Kacey's new fling play

The armchair critics share their instant reactions to the Eurovision Song Contest and news coverage of the Northern Lights being visble in British skies

Science technician Ian has a date with shy nursery nurse Stacie and glamorous 22-year-old dental nurse Cece is looking for someone who can see that beauty is more than skin deep