Neil Patrick Harris confirms A Series of Unfortunate Events will end after Season 3

TV Guide

Harris says all of Lemony Snicket's material will be used up by the end of Season 3. "We've intentionally been very truthful and factual and loyal to the books," Harris tells TV Guide. "We've added a few characters that aren't in the books, we've added some songs that you probably couldn't put into the books, but for the most part we're sticking to the structure of what already worked."