The fourth and final season of the Fox television series Sleepy Hollow premiered on January 6, 2017 and concluded on March 31, 2017, and consisted of 13 episodes.

When does sleepy hollow return for season 4? OK. Let's think. My stream of consciousness:
To answer this question, we should know that: The fourth and final season of the Fox television series Sleepy Hollow premiered on January 6, 2017 and concluded on March 31, 2017, and consisted of 13 episodes. The answer is January 6 , 2017.