Series 1

2023-09-19 · 44m

Tim takes a celestial journey to discover what makes the planets of our solar system so different from one another, and finds out how our closest neighbour Venus was once like earth.

2023-09-26 · 44m

Tim investigates what stars are made of, how long they live and what happens when they die. Plus the latest amazing images from the James Webb space telescope.

2023-10-03 · 60m

Tim recalls one of the most daunting moments of a mission - his first space walk - and explores life onboard the space station, coping with weightlessness, space food... and going to the loo.