Land of the Giants (1968)

S1E21 Genius at Work

A brilliant young inventor creates a revolutionary pill capable of transforming an ordinary person into a giant. As excitement spreads, curious Earthlings line up to experience the extraordinary change, but unforeseen challenges arise. The boy-genius must navigate the consequences of his invention while ensuring that the newfound size doesn't lead to chaos. With creativity and quick thinking, he seeks to balance the thrill of being gigantic with the responsibilities that come along with it.