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Na-Nu Na-Nu: What was the name of the lovable alien played by Robin Williams in a "Happy Days" spin-off?

Mork. Robin Williams played the alien in four seasons of "Mork & Mindy" between September 1978 and May 1982. Pam Dawber played the Earth woman who befriended Mork. The character was introduced in "Happy Days" when Mork landed on Earth to kidnap Richie Cunningham.

Through early morning mist I see visions of the head nurse in the Korean war medical comedy "M*A*S*H". What was the character's name?

Major Margaret "Hot Lips" Houlihan. Sally Kellerman played the character in the 1970 movie while Loretta Switt played her in the TV show. The TV show ran to 11 seasons between September 1972 and February 1983. The show was set in a Mobile Army Surgical Hospital during the Korean War. It mixed drama, comedy and satire as it told the story of surgeons and nurses trying to cope and to show their humanity amid the inhumanity of war.

Where everybody knows your name: He may have been an accountant by training, but the most counting he ever did was the number of beers he drank in a Boston bar. What was the name of the character who was greeted so fondly by all and sundry in virtually every episode of "Cheers"?

Norm Peterson. George Wendt played Norm in all 275 episodes of "Cheers" between 1982 and 1993. Initially Norm (his real first name was Hillary) appeared as an accountant, but then lost his job and in later shows worked as a painter. His every entry into the bar was greeted with shouts of "Norm" from the clientele.

You would think that working day and daily amid the blood and gore of a casualty department would make it an unlikely place to want to celebrate something good. Which nurse got married in such surroundings in "ER"?

Lydia Wright. Ellen Crawford played Lydia Wright from 1994 to 20003 and again in the last ever episode of the show in 2009. She was one of the first characters the viewers saw in the pilot episode of what some regarded as one of the best ever medical dramas on US TV. In season 3, she married a cop in the emergency room's waiting area.

Long live Hooky Street, C'est magnifique, Hooky Street: Which character thought himself a bit of a wheeler dealer and could get you anything you wanted, no questions, asked in the hugely successful British TV sit-com "Only Fools and Horses"?

Derek 'Del Boy' Trotter. David Jason played 'Del Boy' in 64 regular episodes and seven 'specials' of "Only Fools And Horses" between 1981 and 2003. 'Del Boy' was a Cockney market trader who bought and sold anything he could get his hands on, no matter if it was a little 'dodgy'.

Nurses are supposed to be very kind, generous and good, aren't they? Well this one wasn't. Which "Holby City" regular was an angel with dirty fingers having bumped off at least one of her former husbands?

Faye Morton. Patsy Kensit first played Faye Morton, the thrice-married "Holby City" ward sister, from January 2007. In one flashback, viewers saw her kill her third husband. She embarked on a number of affairs when she moved from Dubai to take up her new nursing position.

Whisper it, but he enjoyed being in charge of TV programmes more than selling microwave ovens. Which "30-Rock" character had a special friend in Condoleeza Rice?

Jack Donaghy. "30-Rock" was a TV show about the making of a TV show. It was created by and starred Tina Fey. Alec Baldwin played Jack Donaghy who was "Vice President of East Coast Television and Microwave Oven Programming" for the conglomerate that made "The Girlie Show". Donaghy could not help but interfere with the creative process led by the chief scriptwriter Liz Lemon (Fey). He also whispered a lot and hinted at a special relationship with one-time Secretary of State, Condoleeza Rice.

"Oh just get on with it" was likely to be the reaction of a head nurse at a busy hospital when colleagues brought their problems to her. Which character in "Scrubs" had a heart of gold and also captured the heart of the chief of surgery?

Carla Espinosa. Judy Reyes played Cara Espinosa in the first eight seasons of "Scrubs", the medical comedy/drama. She was married to the chief of surgery, Christopher Turk (played by Donald Faison).

Just be thankful he was not the driver: Who was the loudmouthed dispatcher with a heart like a stone in "Taxi"?

Louie De Palma. Danny DeVito played the dispatcher Louis De Palma in five seasons of "Taxi" between 1978 and 1983. The show was based around the lives of the staff of a New York taxi company. DePalma was a loudmouthed bully with no morals.

Not all angels are of the fairer sex. Which cornerstone of the nursing staff at Holby City Hospital was unlucky in love (a lot) but still showed he was crucial to much of what went on in "Casualty"?

Charlie Fairhead. Derek Thompson played Charlie Fairhead throughout the long-running British TV medical soap "Casualty". The show first aired in 1986, and Charlie Fairhead was the only member of the original staff to survive the following 25 years.