E1 - Energy

Aired: March 10, 2014

The team investigate how close Britain might get to running out of electricity.

E2 - Cancer

Aired: March 17, 2014

Liz Bonnin explains how cells turn cancerous by blowing high-tech bubbles.

E3 - Big Data

Aired: March 24, 2014

Liz Bonnin takes a look at how big data monitors Rolls Royce jet engines.

E4 - Ageing

Aired: March 31, 2014

The team investigate the ill effects of old age, from weakened bones to dementia.

E5 - Flu

Aired: April 07, 2014

The team look at flu, with Jem Stansfield explaining the disease on a cellular level.

E6 - Flooding

Aired: April 14, 2014

With the waters receding, the team takes a more considered look at the recent floods.

E7 - Trains

Aired: April 28, 2014

The team look at measures engineers take to ensure Britain's rail system stays on track.

E8 - Disaster Relief

Aired: May 05, 2014

A look at the problems the humanitarian community faces when tackling a disaster.