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'.

Ammon gets spooked by a tiny insect, but overcomes her fear to rescue Cosima and Big Lizard from the rapids.

Big Lizard and Cosima undertake an exciting night-time mission rehoming a friendly slug that's taken residence in Cosima's bedroom!