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Known segments

 * Mats & Miranda shows how to use a telescope
 * Ernie wakes up & tells Bert it's time to get up, but notices that Bert isn't in his bed. He slowly ponders what happened to his best friend, coming to the conclusion that maybe some Martians took him away in their spaceship. As it turns out, Bert just got up early to fix some oatmeal. Ernie is relieved... until a real spaceship lands & the Martians enter the room.
 * "My Outer Space Friend"