EP4, or Episode 4, typically refers to the fourth installment in a series, whether it be a television show, film, or other media. In many franchises, this episode often builds on previous storylines, introducing new characters or plot twists that enhance the overall narrative.
In the context of Star Wars, for example, EP4 is known as A New Hope, which was released in 1977. It follows the journey of Luke Skywalker as he joins the Rebel Alliance to fight against the Galactic Empire, marking a significant moment in cinematic history and popular culture.