I Dream of Jeannie (1965)

S5E19 Jeannie and the Curious Kid

When the Bellows' mischievous nephew comes to visit the Nelsons for a short stay, he stumbles upon Jeannie's secret. After witnessing her magically vanish into her bottle in a cloud of smoke, he realizes there's more to her than meets the eye. As he grapples with this newfound knowledge, the dynamics of their interactions shift, leading to a series of humorous and unexpected events.