Voted sixth most popular programme in the Best of the Year: Documentary online vote, The Happiness Formula presented by Mark Easton, examines the claim made by scientists that they can measure happiness. This programme, part of a six-part series shown on BBC World earlier in 2007, looks at the latest research from around the world to find out what makes people happy.

(Duration: 30 minutes)

Saturday 29th December at 1030

Repeated: Saturday 29th December at 1630; Saturday 29th December at 2230; Sunday 30th December at 1030 &

Sunday 30th December at 2230 

Our World: Bitter Sweet is the fifth most popular programme as voted for by viewers in the Best of the Year: Documentary online vote. West Africa produces more than half the world's cocoa. While people's demand for chocolate is increasing, cocoa farmers are getting poorer. In a programme first shown in July of this year, the BBC's Humphrey Hawksley investigates the dark underbelly of one of the world's best-loved luxuries.

(Duration: 30 minutes)

Saturday 29th December at 1230

Repeated: Saturday 29th December at 1830; Sunday 30th December at 0430 & Sunday 30th December at 1430 

Hailed as the 'Picasso of South America', Fernando Botero's (pictured) works of art are found in the homes of the rich and famous, with fans as diverse as actor Sylvestor Stallone and the late Colombian drug lord, Pablo Escobar. In The Big Fat Art Of Fernando Botero, which has been voted fourth in the recent Best Of The Year: Documentary online vote, the BBC's culture correspondent Stephen Smith accompanies the artist on a trip through his past, visiting his humble childhood home in Columbia, his studio in Paris and the town of Pietrasanta in northern Italy.

(Duration: 50 minutes)

Saturday 29th December at 1410

Repeated: Sunday 30th December at 1210; Sunday 30th December at 1910 

& Monday 31st December at 0410

This week fast:track investigates what could potentially be a crisis in the airline industry. Recent warnings from the international air transport association suggest a possible shortage in pilots. It's also demanding a rethink of pilot training, to improve safety and standards. So, should people be worried about who is going to be flying their p***s, and what's it likely to mean for flights this year? Plus, reporter Tina Bangs presents the monthly look at what's hot and happening in January - including the festival of the desert in Mali, two hours from Timbuktu, while Mike London visits the Seychelles.

(Duration: 30 minutes)

Repeated: Monday 31st December at 2230; Tuesday 1st January at 1230; Wednesday 2nd January at 1730;

Thursday 3rd January at 0430~/\+ & Thursday 3rd January at 1030

This week presenter Spencer Kelly marks Click's 400th show by taking a look back at the technology featured, and some of the biggest names in the industry who have been interviewed on the programme since it launched in 2000. Also, the tech team reports from the tropical island of Mauritius on its plans to go hi-tech. Plus, reporter Kate Russell looks at some of the best new sites for 2008 in Webscape.

(Duration: 30 minutes)

 Thursday 3rd January at 2230

Repeated: Friday 4th January at 1230; Saturday 5th January at 0830; Monday 7th January at 1730;

Tuesday 8th January at 0430~+ & Tuesday 8th January at 1030