Andy heads back in time to search a prehistoric forest for a plant-munching dinosaur, but he runs into a relative of the T-rex instead, before joining a herd of centrosaurus to escape a flash flood.Source: CBeebies
25. Gigantoraptor And Tumbleweed
24. Australopithecus And Tool
23. Basilosaurus And Barnacles
22. Paraceratherium And Skin
21. Woolly Mammoth And Ice
20. Andrewsarchus And Tooth
19. Magyarosaurus And Reeds
Andy travels back 70 million years to meet the miniature magyarosaurus, a relative of the giant sauropod dinosaurs, which grew no bigger than a pony. But when he arrives on thei ...
18. Chalicothere And Claw
Andy breaks a valuable museum artefact and has to travel back in time 30 million years to replace it. Landing in an age when giant mammals roamed the Earth, Andy tracks down the ...
17. Kimmerosaurus And Clamshell
16. Gastornis And Egg
Andy heads 49 million years back in time to find out the colour of a prehistoric bird's eggs. But when he finally tracks down a nest, a new chick starts to hatch and he mus ...
1. Argentinosaurus And Eggshell
Andy travels back 95 million years in search of an eggshell belonging to one of the biggest animals to ever walk the earth.
6. Paraceratherium And Footprint
Andy travels through time and lands 30 million years ago in Mongolia, where he meets the paraceratherium - a giant mammal which is five times the size of a rhinoceros!
14. Gigantoraptor And Feather
Andy travels back 85 million years to meet a giant feathered dinosaur that is as tall as a house! Along the way, he helps to protect a nest full of prehistoric eggs and gets cau ...
2. Woolly Mammoth And Tusk
When disaster strikes at the museum, Andy sets off on a prehistoric adventure using his trusty, time-travelling clock. Arriving 30 thousand years in the past, Andy joins a herd ...
7. Spinosaurus And Scan
Andy travels 100 million years back to prehistoric times to meet the spinosaurus, a massive meat-eating dinosaur that is even bigger than the T rex! On his adventure, Andy rides ...
15. Australopithecus And Hair
Andy jumps into his time-travelling clock and heads back 3 million years, where he runs into some ancient primates and joins their tribe. Along the way, he helps them fend off a ...