Science game show. Vacuum cleaners never looked so good as the teams use them to fire foam arrows at a Plate Wall of China. Lab Rats move their time machine using water jets. Show more

Science game show set in a secret laboratory. With the help of an expert and some high-powered rockets, the Lab Rats attempt to find faster ways of delivering takeaway food. Show more

Richard Hammond presents the game show, as ten celebs tackle one of television's largest and most extreme obstacle courses to win £10,000 for a charity of their choice. Show more

Richard Hammond presents the game show, as ten celebs tackle one of television's largest and most extreme obstacle courses to win £10,000 for a charity of their choice. Show more

Science game show. The Lab Rats investigate whether alternative fuels can take on petrol, while the teams explore wind power by racing through a wind storm on skateboards. Show more

Using state-of-the-art technologies, Richard Hammond goes beyond the limits of the naked eye and explores the hidden secrets of the invisible world around us. Show more

Science shorts. How strong is the mighty but humble egg? Richard Hammond finds out by landing a helicopter on a specially made heli-egg pad comprising hundreds of eggs. Show more

Science shorts. The mystery of magnets is investigated in the latest bizarre experiment. Normal Ken attempts to transform himself into Magnet Man with electromagnetic gloves. Show more

Science shorts. The Lab Rats' latest experiment reveals a hidden world by using a special slow motion camera to film popping balloons, sucking lemons and throwing custard pies. Show more

Science shorts. Richard Hammond's Lab Rats use old phone books to demonstrate friction. They attempt to lift a car off the ground with only two phone directories carrying the load.

Science game show. The theme is pressure and the two teams of budding scientists set off mini rockets by dropping fizzy tablets into pots of various sorts of liquid. Show more

Science shorts. Richard Hammond's Lab Rats take part in a Blast Lab race to see which vehicle releases the least CO2 - a helicopter, a supercar or a Lab Rat-powered vehicle? Show more

Science shorts. Opera singers are known to be able to smash a glass cup with the power of their voice. The Lab Rats ask opera singer, Ratkine Jenkins, to attempt the feat. Show more

Science shorts. When Richard Hammond asks the Lab Rats to break the world javelin record, they return to Roman Britain to find one of the most formidable siege weapons in history. Show more

A look back at Children In Need's unforgettable moments. The second part counts down the top 20 to number 1 and features songs, sketches, performances and interviews. Show more

An affectionate and witty look back at the 50 most unforgettable moments from Children In Need's 30-year history, featuring songs, sketches, performances and exclusive interviews. Show more

Science shorts. The Lab Rats are attempting to break the world record for the longest golf drive. But as none of them can actually play golf, this is a problem. Show more

Science shorts. Communication is more important than ever in the 21st century. But what is the fastest way of sending a message? Show more

Science shorts. This experiment is simple and very strange. Will a Lab Rat dressed in a giant acorn costume get to a wooden hut before two skydivers wearing squirrel wing suits? Show more

Science shorts. Can a man wearing a jet pack propel himself 30 metres in the air to score the world's highest ever basketball slam dunk? Show more