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Jeannie (Barbara Eden) agrees to babysit her magical infant nephew Adbullah, but it is Tony (Larry Hagman)--and only Tony--who can stop the baby from its incessant crying. When Dr. Bellows (Hayden Rorke) drops in on Tony, he jumps to the inaccurate conclusion that the astronaut is sick and rushes him off to the hospital. Thus it is that Roger (Bill Daily) is saddled with looking after Abdullah--and when the kid starts bawling again, the stage is set for the anticipated farcical denoument.