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.

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?

When it unexpectedly snows, Cosima decides it must be Christmas! Rex disrupts her festive preparations, but it doesn't stop the family having a perfect 'Proximas'.