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.

Big Lizard accidentally deletes some of Dad's 'boring' Proximan audio recordings. Through a dramatic sound adventure, Cosima realises the recordings are not boring - they're cosmic!

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 time.