The penultimate episode of "Pretty Little Liars" season 6 airs next week and episode 9 promises an alternate prom night for the PLLs. "Pretty Little Liars" season 9, episode 9 spoilers reveal Spencer's barn will be the setting for a prom planned by the moms of Alison, Aria, Emily, Hanna and Spencer when the PLLs get banned from their own school's prom - but Charles has his own plans when it comes to make the night unforgettable!

The synopsis for "Pretty Little Liars" season 6, episode 9 reads: "PROM NIGHT WON'T BE THE BEST NIGHT OF THE PLLS' LIVES IN AN ALL-NEW EPISODE OF 'PRETTY LITTLE LIARS.'"

"It is prom time at Rosewood High, except for Alison, Aria, Emily, Hanna and Spencer who have been banned due to 'security' concerns. As the girls see this as the final humiliating blow to their high school careers, the girls' mothers try to make the best of a bad situation by offering a home prom in Spencer's barn. At first reluctant, the PLLs agree and try to make the best out of a bad situation. But one to never miss a formal, Charles has other plans in store to make this a night they will never forget.

"Meanwhile, Veronica, Pam, Ashley and Ella use prom night to touch base on everything that has happened to their daughters."

Don't forget to tune in next Tuesday, August 4th at 8:00 PM on ABC FAMILY to catch "Pretty Little Liars" season 6, episode 9!

And that's not all: we also have some juicy season mid-season finale spoilers just for you!

According to TVLine, the synopsis for the summer finale (which will air August 11) is titled "Game Over, Charles" and reads:

"Who killed Toby's mother? Who hit Alison in the head with the rock the night she went missing? Who is Red Coat? Who killed Bethany? Who is the Black Widow? Why has 'A' been targeting the PLLs all this time? After years of torture, Alison, Aria, Emily, Hanna and Spencer finally come face-to-face with their tormentor and learn the story of how and why Charles became 'A.'"

Finally, answers to the questions we've all been waiting for.