ON DEMAND Kid Cosmic (Netflix, from Tuesday) The brainchild of Emmy-winning animation expert Craig McCracken, who has previously worked on the likes of The Powerpuff Girls and Dexter's Laboratory. At the centre of the story is a little boy who lives with his free-spirited Grandpa in a desert town. The youngster longs to become a hero, and thinks he's found a way of making it happen when he finds some magical stones in a wrecked spaceship. He and his friends set out to use them against an alien invasion, but matters don't go to plan. Firefly Lane (Netflix, from Wed)