Grave New World (Pretty Little Liars)

"Grave New World" is the 13th episode of the fourth season of the American mystery drama series Pretty Little Liars. It originally aired on October 22, 2013 on ABC Family and serves as the season's Halloween episode, which aired as part of the 13 Nights of Halloween programming block. The episode was directed by Ron Lagomarsino and written by Joseph Dougherty, Oliver Goldstick and I. Marlene King. The episode also serves as a backdoor pilot to the series’ spinoff Ravenswood, which follows a group of people investigating the supernatural occurrences in the titular town. As a result, the episode features the spinoff's main cast as guest characters and some supernatural elements.

Grave New World (Pretty Little Liars)

"Grave New World" is the 13th episode of the fourth season of the American mystery drama series Pretty Little Liars. It originally aired on October 22, 2013 on ABC Family and serves as the season's Halloween episode, which aired as part of the 13 Nights of Halloween programming block. The episode was directed by Ron Lagomarsino and written by Joseph Dougherty, Oliver Goldstick and I. Marlene King. The episode also serves as a backdoor pilot to the series’ spinoff Ravenswood, which follows a group of people investigating the supernatural occurrences in the titular town. As a result, the episode features the spinoff's main cast as guest characters and some supernatural elements.