The Scooby gang try to stop a shape-shifting alien from stopping the launch of the Space Shuttle. THROWBACK THURSDAYS! A classic Boomerang show every Thursday on Boomerang UK YouTube channel 🚩 SUBSCRIBE to the Boomerang UK 😎 https://goo.gl/RUYTev 😎 👇 More from Boomerang UK👇 🇬🇧 Visit the Boomerang UK 🇬🇧 http://www.boomerangtv.co.uk/ Watch full episodes and all the latest seasons on Boomerang UK: ▸Virgin channel 730 ▸Sky channel 603 ▸Talk Talk channel 487 and also on NOW TV, TV Player and BT Welcome to the official Boomerang UK YouTube channel, the place where you can watch funny videos, clips with theme tunes and songs and interactive game plays from The Tom and Jerry Show, Be Cool, Scooby-Doo!, New Looney Tunes, Oddbods, Wacky Races, My Knight and Me, Dorothy and The Wizard of Oz and many more. Get ready to laugh out loud 🤣 and join us by subscribing to the channel!