It was a big week in the Pretty Little Liars world. Did you have trouble keeping up with everything that happened? Don't worry, we've got your back. Here's a roundup of the biggest things that went down.

- This week's episode was Season 3, Episode 15: "Mona-Mania!"! Catch up with what happened in our recap, and then join us to speculate about who's on the "A" team, if we can trust Meredith, if we can trust Lucas, if there's a new romance in the future for Spence, and if Aria is pregnant.

- Was one new episode not enough? We have lots of new spoilers about the rest of the season, including more Aria-Meredith scene coming up, an important Toby flashback, some disturbing news about Wren, and more!

- We also talked to Chad Lowe.

- There's an official episode synopsis and new pictures for Season 3, Episode 18.

- Don't miss the sneak peeks and preview for next week's episode!

Find more Pretty Little Liars spoilers here.

Catch the next episode of Pretty Little Liars on Tuesday, January 22, 2013 at 8 P.M. ET/PT on ABC Family.