9/10 Dr Chris and Dr Xand learn about sunlight and the incredible Northern Lights.
Experimenters Brandon and Ore meet some cricketers to find out about catching and throwing
4/20 Andy and Kip travel to India on a mission to get up close to tigers.
20/26 Flinders ties five ribbons on his tail to remind him of five things he needs to do.
19/20 Jess and her friends go pond dipping and manage to find some water boatmen to observe.
9/15 Featuring limestone formations made from old crustaceans.
9/10 Naomi looks back at five of mankind's very worst phobias.
8/10 Professor Brian Cox explains what the weather is like on other planets.
Experimenters Murray and Zak investigate how high divers hold their hands.
2/10 Dick and Dom reveal the genius of rocket scientist Wernher von Braun.