4 episodes match The Mule

Officer Mendez begins harassing Red when she refuses to help him continue smuggling drugs into the prison. Larry publishes his article about Piper in the New York Times, which turns her into a person of interest for inmates and corrections officers alike. Piper's best friend Polly has her baby at the same time that a baby is born to an inmate in Piper's cell block (IMDb).

Ensnared by court intrigues, Catherine seeks ways to disentangle herself. (imdb)

Durant files an injunction against Union Pacific, threatening Cullen's position; Elam deals with a dangerous newcomer. (imdb)

Cullen deals with consequences; Elam mounts a rescue attempt; Durant receives the U.P. board ahead of the deadline. (imdb)