13/20 Andy travels back 106 million years to the time of muttaburrasaurus.
13/20 Jess has a look at some earwigs and shows how to tell if an earwig is male or female.
17/25 Nina investigates how luggage gets onto the right aeroplane at the airport.
12/20 Andy travels back 220 million years to the time of placerias, a giant hippo-like reptile.
7/26 Rory meets Felix, Hugo and their Shetland pony Jake.
12/20 Jess has a close look at a millipede and shows how it differs from a centipede.
16/25 Nina investigates how to breathe underwater with the help of Felix, her touch neuron.
11/20 Andy travels back 145 million years to the time of allosaurus.
6/26 Ferne visits a nursery in north London where they have a giant African land snail.
11/20 Jess meets up with some children and together they search in a meadow for butterflies.