Catch up TV
Series 1: 13. When Dad Sleepwalked
Cosima and Big Lizard investigate the cause of Dad's mysterious sleepwalking in an adventure that takes them around Proxima and right back home again.
Source: CBeebies
Most recent episodes of Big Lizard
Big Lizard
Series 1: 46. The Camera
Cosima takes over Dad's mission to film a unique underwater plant. But his special camera proves harder to operate than she'd thought, and Big Lizard keeps getting distracted.
31-03-2025
CBeebies
Big Lizard
Series 1: 4. The Day We Met Ammon
Dad drops an essential gizmo in a hard-to-reach place. Big Lizard takes them on an underwater adventure to meet Ammon, the tentacled solution to their problem!
31-03-2025
CBeebies
Big Lizard
Series 1: 27. The Day Ammon Overcame Her Fear
Ammon gets spooked by a tiny insect, but overcomes her fear to rescue Cosima and Big Lizard from the rapids.
30-03-2025
CBeebies
Big Lizard
Series 1: 3. How We Met Dunk
Searching for a vital part of the ship that was lost during their crash-landing, Cosima and Big Lizard find Dunk stuck on a beach. They use science to save the day and make a ne ...
30-03-2025
CBeebies
Big Lizard
Series 1: 25. Cosima In Charge
Dad has left Cosima in charge for the day. It seems like an excellent opportunity to have a massive party! What could possibly go wrong?
29-03-2025
CBeebies
Big Lizard
Series 1: 2. The Trouble With Trilobites
When a pack of pesky, migrating trilobites overrun the ship, Big Lizard has to use a hidden talent to lure them away. But one little trilobite, Rex, decides to stay.
29-03-2025
CBeebies
Big Lizard
Series 1: 45. Prank Day!
Dad and Cosima both think they're the best at pranking. Their prank war quickly spirals out of control, until Big Lizard finally reveals Proxima's real pranking champion!
28-03-2025
CBeebies
Big Lizard
Series 1: 44. The Hoverboard Race
During a hoverboard race, Dad's new super-powered hoverboard malfunctions, so Cosima and Big Lizard throw the race to rescue him!
27-03-2025
CBeebies
Big Lizard
Series 1: 43. A Place To Sleep
Whilst Dad searches for a faulty wire, Cosima and Big Lizard play tag in the ship and accidentally break Big Lizard's bath bed! Where will he sleep now? And where's that pesky w ...
26-03-2025
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.
26-03-2025
CBeebies
Most popular episodes of Big Lizard
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 ...
08-03-2025
CBeebies
Big Lizard
Series 1: 27. The Day Ammon Overcame Her Fear
Ammon gets spooked by a tiny insect, but overcomes her fear to rescue Cosima and Big Lizard from the rapids.
30-03-2025
CBeebies
Big Lizard
Series 1: 35. The Overfriendly Neighbours
When Big Lizard and Cosima get covered in nectar, they become unwilling house guests to some overfriendly beetles. Will Dunk come to their rescue?
14-03-2025
CBeebies
Big Lizard
Series 1: 47. The Day We Lost Rex
Rex is missing, but Dad, Cosima and Big Lizard need him to save them from a giant slug!
18-03-2025
CBeebies
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.
23-03-2025
CBeebies
Big Lizard
Series 1: 48. How To Speak Lizard
When Dad's Lizard Translator malfunctions, Cosima is carried away by a giant beetle! Cosima and Big Lizard realise they don't need to speak the same language to be best friends.
19-03-2025
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 ...
22-02-2025
CBeebies
Big Lizard
Series 1: 25. Cosima In Charge
Dad has left Cosima in charge for the day. It seems like an excellent opportunity to have a massive party! What could possibly go wrong?
29-03-2025
CBeebies
Big Lizard
Series 1: 41. When Dad Got The Hiccups
Dad gets a severe case of Proximan hiccups. Big Lizard and Cosima do their best to help, but their attempt to scare Dad goes wrong when a real 'monster' turns up!
24-03-2025
CBeebies
Big Lizard
Series 1: 45. Prank Day!
Dad and Cosima both think they're the best at pranking. Their prank war quickly spirals out of control, until Big Lizard finally reveals Proxima's real pranking champion!
28-03-2025
CBeebies