Warning: Spoilers ahead. When Pretty Little Liars first premiered in 2010, fans were obsessed with the show’s continuous mystery and trying to figure out A’s identity. Now, 10 years later, the entire series has hit streaming services and viewers are watching the entire story of Alison DiLaurentis’ mysterious death unfold on screen again.

Starring Troian Bellisario, Ashley Benson, Lucy Hale, Shay Mitchell, Keegan Allen, Sasha Pieterse, Janel Parrish and Tyler Blackburn, the show was based on the series of books by Sara Shepard and aired on Freeform for seven seasons until coming to an end in 2017. Throughout its time on the air, Pretty Little Liars became known for its wild storylines — like teachers dating students and anonymous texts from someone who pretended to be dead. But how exactly did the cast and crew pull off all these shocking stunts over the years?

As it turns out, the show wasn’t all text messages and fashionable looks when the cast was on set back in the day. There’s actually a bunch of seriously shocking behind-the-scenes secrets about the mysterious series. Scroll through our gallery to uncover them all!

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