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Big Lizard - Series 1: 47. The Day We Lost Rex
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!
Duration
7 mins
First shown
3:30pm 24 Feb 2025
Available for over a year
Watchlist
Audio Described
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Episodes
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Episodes Episodes
Series 1: 1. The Day We Landed
Cosima and Dad crash-land on an unexplored planet, Proxima B, and meet Big Lizard!
7 mins
Series 1: 2. The Trouble with Trilobites
When a pack of trilobites overrun the ship, Big Lizard uses a new skill to lure them away.
7 mins
Series 1: 3. How We Met Dunk
Cosima and Big Lizard find Dunk stranded on a beach and rush to help.
7 mins
Series 1: 4. The Day We Met Ammon
Big Lizard takes Cosima and Dad on an underwater adventure to meet the tentacled Ammon.
7 mins
Series 1: 5. Dad's Discovery
A rockfall traps Dad, Cosima and Big Lizard in a cave!
7 mins
Series 1: 6. The Missing Volleyball
When Twig steals Cosima's volleyball, a chase leads Big Lizard and Cosima to her den!
7 mins
Series 1: 7. How to Hoverboard
Cosima and Big Lizard's solar-powered hoverboards run out of battery at nightfall.
7 mins
Series 1: 8. Hot and Cold
Volcanic smoke blocks all three suns, and Big Lizard becomes worryingly cold.
7 mins
Series 1: 9. How to Work Together
Dad shares his explorer notebook with Cosima and Big Lizard.
7 mins
Series 1: 10. When We Lost D.O.R.I.S.'s Brain
A creature takes D.O.R.I.S.'s brain, so Cosima and Big Lizard chase it into the forest...
7 mins
Series 1: 11. Happy Campers
Cosima and Big Lizard camp out with a little crab.
7 mins
Series 1: 12. All About Home
Cosima wants to tell Big Lizard all about her life on earth, no matter what the cost.
7 mins
Series 1: 13. When Dad Sleepwalked
When Dad begins sleepwalking, Cosima and Big Lizard follow him to discover why.
7 mins
Series 1: 14. How to Record Sound
Cosima and Big Lizard record some cosmic nature sounds for Dad.
7 mins
Series 1: 15. The Triple Eclipse
Cosima and Big Lizard race against time to watch a cosmic triple eclipse!
7 mins
Series 1: 16. Crystals!
Cosima is jealous of Big Lizard's beautiful crystal.
7 mins
Series 1: 17. The Cocoon
Cosima and Big Lizard chase a cocoon-stealing dragonfly, armed with a vacuum cleaner!
7 mins
Series 1: 18. Dad's Birthday
Cosima accuses Big Lizard of eating Dad's birthday cake.
7 mins
Series 1: 19. Best Friends Forever
Cosima needs to reassure Big Lizard that he is definitely her best friend forever.
7 mins
Series 1: 20. Magnetite
When D.O.R.I.S.’s satnav breaks, Big Lizard teaches Cosima how she to find her way.
7 mins
Series 1: 21. The Problem Plant
Big Lizard steals Dad's special plant from the ship... and just in time!
7 mins
Series 1: 22. The Sea Meteorite!
A meteorite lands in the sea, and Dad claims it for science. But the animals want it back.
7 mins
Series 1: 23. Astronaut Health Check
Dad needs some training to his astronaut fitness test.
7 mins
Series 1: 24. How to Fix a Tyre
When the buggy gets a flat tyre, Big Lizard stumbles across a natural solution.
7 mins
Series 1: 25. Cosima in Charge
Cosima is left in charge for a day and accidentally hosts a massive party.
7 mins
Series 1: 26. Happy Proximas!
Is it Christmas? It could be! Or maybe it's a unique and perfect 'Proximas'!
7 mins
Series 1: 27. The Day Ammon Overcame Her Fear
Ammon overcomes her fear to rescue Cosima and Big Lizard from the rapids.
7 mins
Series 1: 28. The Night of the Slug
Big Lizard and Cosima go on a night-time mission to rehome a persistent, sleepless slug!
7 mins
Series 1: 29. The Shiny Fruit
Cosima and Big Lizard find some slippery fruit but struggle to carry it back to the ship.
7 mins
Series 1: 30. Dad's Drone
In order to fly Dad's drone, Big Lizard tries to go a whole day without breaking anything.
7 mins
Series 1: 31. A Medical Emergency
Whilst playing with a stethoscope, Cosima discovers a starfish with no heartbeat!
7 mins
Series 1: 32. All Out of Marmalade
Big Lizard shows Cosima a plant that's growing huge Proximan oranges.
7 mins
Series 1: 33. After the Storm
After a storm es, poor Rex is nowhere to be seen...
7 mins
Series 1: 34. The River Picnic
The river creatures are behaving oddly, and Dad's tea might have something to do with it.
7 mins
Series 1: 35. The Overfriendly Neighbours
Big Lizard and Cosima become unwilling house guests to some overfriendly creatures!
7 mins
Series 1: 36. The Lesson
D.O.R.I.S. gives Cosima and Big Lizard a lesson on friction - just in time to help Dad!
7 mins
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