Episode 4

Richard Hammond puts DIY parachutes to the test.

We find out if it's possible to go on a romantic dinner date whilst being electrocuted?

Does getting scared make you stronger?

The cheeky girls pay a visit to the Brainiac lab.

Tina Turner and her bunsen burner are back with a bang.

Jon Tickle takes the p out of science and drinks it.

We try and stop rock and roll with the help of a chainsaw.

Plus your chance to vote and win a starring role on the final show of the series as Brainiac goes interactive with explosive of the week.