Little Jack experiences biological evolution unexpectedly when his imaginary brother Cool-Doo and friend Sleepy-Doo suddenly turn to be real in a strange storm. Cool-Doo and Sleepy-Doo need Jack's help to go back where they come from. Everything goes fine. Until Sleepy-Doo suddenly disappears...
Little Jack experiences biological evolution unexpectedly when his imaginary brother Cool-Doo and friend Sleepy-Doo suddenly turn to be real in a stra...
