Mysterious noises keep waking up the Wimbledon family. "That's very odd," says Mr. Wimbledon each time, but when he returns from checking on the sounds, he's always reassuring: "It's only Stanley; he's fixing the oil tank." "It's only Stanley; he's clearing the bathtub drain." But what Stanley the dog is actually doing while his oblivious family goes back to bed is deliciously absurd: he's preparing for an interplanetary trip! And guess who's going along for the ride!