The episode “The Darkest Knight” of the hit TV show Pretty Little Liars is the episode in which Aria tells Ezra she is pregnant. This episode is the tenth episode of the seventh season, and was directed by Arlene Sanford and written by I. Marlene King and Maya Goldsmith. It was produced by Jonell Lennon and Hynndie Wali.

The episode begins with the Liars trying to figure out who is behind the game of A.D. Meanwhile, Aria is struggling with the news of her pregnancy. She is trying to figure out what to do and is hesitant to tell Ezra.

The episode follows Aria as she makes the difficult decision to tell Ezra she is pregnant. She finally tells him and he is shocked. He is supportive of her and tells her that he will be there for her no matter what.

The episode also follows the other Liars as they continue to investigate A.D. They eventually discover that A.D. is Mary Drake, Spencer’s biological mother. This revelation leads to a dramatic confrontation between the Liars and Mary Drake.

The episode ends with Aria and Ezra discussing their future and the possibility of raising the baby together. They decide to take things one day at a time and to make the best decision for their future.

Overall, “The Darkest Knight” is an emotional and suspenseful episode of Pretty Little Liars. It is the episode in which Aria tells Ezra she is pregnant and it is filled with drama, suspense, and emotion. It is an episode that will stay with viewers for a long time.