What is the Twilight Zone episode where a little girl playing with doll and at end of show in box alive?

The episode is called "Living Doll". It's about a little girl named Annabel who receives a life-sized talking doll named Talky Tina (played by Nan Martin) for her birthday. As time goes on, Talky Tina's behavior becomes increasingly bizarre and eventually murderous. In the end, it is revealed that Talky Tina is actually possessed by the spirit of Annabel's deceased cousin, who died years ago.