The cosmic adventures of astronauts Cosima and Dad on Proxima B, where they meet larger-than-life Big Lizard!
Josh Widdicombe
Dad (voice)
Mandip Gill
D.O.R.I.S (voice)
Lois Sefton
Cosima (voice)
Dan Chambers
Big Lizard
NEW: Big Lizard | Official Trailer | CBeebies
