4/20 Twin sisters Evie and Masie draw pictures of each other.
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Experimenters Murray and Zak investigate how high divers hold their hands.
9/10 Snow is bored of grass so he and Ashki find out what other prairie animals eat.
19/30 Dr Ranj tries to stop Kiwa's hiccups with laughter, deep breathing and an air quake.
14/26 Which of the four teacups is Numtum Four hiding behind?
3/20 The reception children meet a knight in armour and try on helmets at Warwick Castle.
Experimenters Grace and Imogen meet a gymnast and find out why our knees are so special.
8/10 The little prairie dogs encounter all sorts of strange weather.
18/30 Dr Ranj shows Deep he does not need to worry about injections.
13/26 Which slice of watermelon is the Numtum hiding behind?