Big Lizard
Big Lizard is a TV show on CBeeBies. The cosmic adventures of astronauts Cosima and Dad on Proxima B, where they meet larger-than-life Big Lizard! The program has been available since 2025. A total of 52 episodes have been broadcast, most recently in April 2025.
Last episode
Big Lizard
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?
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Cosima and Big Lizard race against time to retrieve sun googles so they can watch a cosmic triple eclipse!
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.
On an exciting trip around planet Proxima, Cosima and Big Lizard record some cosmic nature sounds for Dad.
When Big Lizard and Cosima get covered in nectar, they become unwilling house guests to some overfriendly beetles. Will Dunk come to their rescue?
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?
Volcanic smoke blocks the three Proximan suns, which causes Big Lizard to become worryingly cold. Cosima's on the case and comes up with a superhot solution!
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.
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.
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.
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 nose...
Cosima and Big Lizard have a camping sleepover with a friendly little crab. In the morning, their new friend is missing, but why?
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.
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 her BFF.
Cosima, Big Lizard and Ammon are squabbling over Dad's precious explorer notebook when disaster strikes. Only by working together can they save it from being lost forever!
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.
When a giant beetle steals D.O.R.I.S.'s brain, thinking it's a nut, Cosima and Big Lizard give chase through the forest. Big Lizard uses unique skills to rescue poor D.O.R.I.S.'s superbrain.
Cosima and Big Lizard's solar-powered hoverboards run out of battery at nightfall. Can glowbugs be the answer?
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!