Australia 1830. Jemma and Jamie McCloud are left behind on their father's farm with their aunt Agatha. Lachlan McCloud sails to England to ask attention from the government to do something about the corruption in New South Wales. While he's away aunt Agatha sells the farm and the two children are left homeless. Jemma and Jamie are told that their father drowned at sea. They meet Red Tom and Nipper and are determined to find their father's will.
Tib, a little boy living in prehistoric times, has a rather unusual friend: Tatoum, a tyrannosaurus! Unfortunately, not everyone in the tribe is happy with their close friendship: living with a dinosaur isn't easy.
A group of toys come alive while the children are away, having adventures and living life by a strict set of rules —first of which is "Never let the children know you can move."
Rickety Rocket is an animated television series, produced by Ruby-Spears Productions, and ran from 1979 to 1980 as a segment on The Plastic Man Comedy/Adventure Show.