S1·E34 Planet Zero
Aired March 31, 1964
Synopsis
While jogging, Magilla runs into aliens who ask him to go for a ride. Arriving on the alien’s planet, doctors there run tests on Magilla to see how easy it will be to take over Earth. When the aliens take Magilla home, he explains where he was, but has his mouth washed out when Mr. Peebles doesn’t believe him.