Sorry, this episode is no longer available to watch on Demand 5.
Find out why
First broadcast at 06:35 12 Feb 2012
Harry decides to become invisible so he can win at hide and seek.
Harry mixes up his toy animals and invents weird new creatures.
Harry is trying to draw a castle, but is having trouble getting his pencil to draw a straight line.
Harry and his primeval playmates head to Dino World to escape a particularly hot day.
Browse all shows
Channel 5 Broadcasting Ltd. 2013