Wallace and Gromit's World of Invention Episode 2 - Reach for the Sky Episode Title:Reach for the Sky.Episode Description:Wallace and Gromit explore the mysteries behind man's fascination with flight, from homemade space rockets in Manchester to jetpacks in the UK. There is also a look at some planes that unfortunately do not fly in another Contraption Countdown. On location in the USA, the team explore the most advanced flexible spacesuits being developed by NASA, which are designed to allow wearers to perform cartwheels on Mars, and in Germany they look at the life of Gustav Mesmer. During the episode Wallace accidentally locks Gromit in the rocket from A Grand Day Out and he didn't look at the Auto-lock Sign, Wallace had made the rocket shoot off with Gromit inside who phones him to get his attention but Wallace's cup had rested on another button which reads "Self Destruct" and Wallace is shocked to find his rocket was missing ("Hey! What have you done with me rocket?").