14/26 Which of the four teacups is Numtum Four hiding behind? (R)
19/30 Dr Ranj tries to stop Kiwa's hiccups with laughter, deep breathing and an air quake. (R)
9/10 Snow is bored of grass so he and Ashki find out what other prairie animals eat. (R)
9/10 It's time for the kids to join their celebrity parents behind the wheel. (R)
4/10 Naomi Wilkinson explores the US state of Florida on her hunt. (R)
Experimenters Murray and Zak investigate how high divers hold their hands. (R)
4/20 Twin sisters Evie and Masie draw pictures of each other.
4/5 It is time for the teams to be tested as they head to the regional championships. (R)
The Time Lord is back and the team celebrate with a Doctor Who special.