Catch up TV
Series 1: 1. The Day We Landed
Whilst exploring deep space, a meteor strikes Cosima and Dad's ship! After crash-landing on the unexplored planet of Proxima, Cosima makes a new best friend called Big Lizard.
Source: CBeebies
Most recent episodes of Big Lizard
Big Lizard
Series 1: 24. How To Fix A Tyre
When the buggy gets a flat tyre, Dad, Cosima and Big Lizard are stranded. Big Lizard’s playful nature helps reveal a creative solution to their problem.
03-10-2025
CBeebies
Big Lizard
Series 1: 34. The River Picnic
Cosima and Big Lizard go paddleboarding, but Dunk and the river creatures are behaving strangely. Could it be something to do with Dad's desire for a cup of tea?
03-10-2025
CBeebies
Big Lizard
Series 1: 23. Astronaut Health Check
Dad needs some training to pass his astronaut fitness test. Cosima and Big Lizard put him through his paces! When Rex gets into trouble, Dad’s hard work finally pays off.
02-10-2025
CBeebies
Big Lizard
Series 1: 33. After The Storm
After a storm passes overhead, many creatures turn up in surprising places and need Cosima and Big Lizard's help. But try as they might, the friends can't find poor Rex.
02-10-2025
CBeebies
Big Lizard
Series 1: 22. The Sea Meteorite!
When a meteorite splashes into the sea, Dad and Cosima cause problems by claiming it in the name of science, against the wishes of the sea creatures.
01-10-2025
CBeebies
Big Lizard
Series 1: 32. All Out Of Marmalade
When Dad runs out of marmalade, Big Lizard shows Cosima a plant that's growing Proximan oranges. The leaves turn out to be giant bugs, who aren't happy about sharing their fruit!
01-10-2025
CBeebies
Big Lizard
Series 1: 21. The Problem Plant
Big Lizard frustrates Dad by stealing a strange plant from the ship. A disaster is averted when Big Lizard persuades Dad that there's more to this plant than meets the eye - and ...
30-09-2025
CBeebies
Big Lizard
Series 1: 31. A Medical Emergency
Whilst playing doctors, Cosima discovers an animal with no heartbeat! Can Cosima and Big Lizard save the poor creature with Dad's medical kit?
30-09-2025
CBeebies
Big Lizard
Series 1: 20. Magnetite
A strange find far away from the ship breaks D.O.R.I.S.’s satnav. Luckily, Big Lizard’s on hand to teach Cosima how to find her way around without technology.
29-09-2025
CBeebies
Big Lizard
Series 1: 30. Dad's Drone
Big Lizard wants to have a go with Dad's new drone, but first he has to prove that he can go a whole day without breaking something precious. Good luck, Big Lizard!
29-09-2025
CBeebies
Most popular episodes of Big Lizard
Big Lizard
Series 1: 21. The Problem Plant
Big Lizard frustrates Dad by stealing a strange plant from the ship. A disaster is averted when Big Lizard persuades Dad that there's more to this plant than meets the eye - and ...
30-09-2025
CBeebies
Big Lizard
Series 1: 20. Magnetite
A strange find far away from the ship breaks D.O.R.I.S.’s satnav. Luckily, Big Lizard’s on hand to teach Cosima how to find her way around without technology.
29-09-2025
CBeebies
Big Lizard
Series 1: 14. How To Record Sound
Big Lizard accidentally deletes some of Dad's 'boring' Proximan audio recordings. Through a dramatic sound adventure, Cosima realises the recordings are not boring - they're cos ...
19-09-2025
CBeebies
Big Lizard
Series 1: 19. Best Friends Forever
Big Lizard is jealous of the vacuum cleaner and hides it from Dad and Cosima. Ammon decides it's her new best friend, whilst Cosima reassures Big Lizard that he will always be h ...
26-09-2025
CBeebies
Big Lizard
Series 1: 50. The Earth Probe
Finding an earth probe makes Dad homesick. When Big Lizard accidentally destroys it, Cosima knows what to do. She recreates the contents - Proxima-style!
20-09-2025
CBeebies
Big Lizard
Series 1: 12. All About Home
Cosima is so excited to tell Big Lizard about her life on earth that she doesn't realise he has something exciting to say to her.
17-09-2025
CBeebies
Big Lizard
Series 1: 18. Dad's Birthday
When Cosima wrongly accuses Big Lizard of eating Dad's birthday cake, he vanishes. Has he run away, or is he planning a special surprise to save the day?
25-09-2025
CBeebies
Big Lizard
Series 1: 1. The Day We Landed
Whilst exploring deep space, a meteor strikes Cosima and Dad's ship! After crash-landing on the unexplored planet of Proxima, Cosima makes a new best friend called Big Lizard.
28-09-2025
CBeebies
Big Lizard
Series 1: 17. The Cocoon
A dragonfly steals a bee cocoon that Cosima had vowed to keep safe. Cosima and Big Lizard give chase, leading to a surprising solution with a vacuum cleaner and some sticky vines!
24-09-2025
CBeebies
Big Lizard
Series 1: 15. The Triple Eclipse
A triple solar eclipse is about to happen! Cosima and Big Lizard race down the volcano and hitch a lift on a dragonfly so that they can get vital equipment to Dad in the nick of ...
22-09-2025
CBeebies