What was the name of Twilight Zone episode about boy with mental powers?

The Twilight Zone episode you're thinking of is called "It's a Good Life".

In this classic episode, a young boy named Anthony Fremont possesses incredibly powerful telekinetic abilities that he uses to control the world around him, turning those who displease him into "things" or even causing them to vanish entirely. It's a chilling exploration of the dangers of unchecked power and the fragility of humanity.