As the school buzzes with word of Ali's return, the Liars unite for a pow wow in "Surfing the Aftershocks."

Who is Mona wishing well? Mrs. D. is dead. Maybe an odd welcome home to Alison. Find out in "Surfing the Aftershocks."

Mona is always telling tales, and no doubt she's telling a great on in "Surfing the Aftershocks."

Hanna doesn't seem impressed with Mona's attempt to be a good girl in "Surfing the Aftershocks."

What on earth are Mona and Aria talking about? Find out in "Surfing the Aftershocks."

Mona's Army is gathering forces. Meanwhile, she talks with Aria in "Surfing the Aftershocks."

Sydney is a new gal in Emily's life first appearing in "Surfing the Aftershocks."

Bridges joins Pretty Little Liars as a new swim team gal and potential love for Emily.

Emily is chatting with a smiling Sydney in the halls in "Surfing the Aftershocks."

Mona looks dubious in this photo from "Surfing the Aftershocks."

The mourning queen hasn't yet shown in "Surfing the Aftershocks."

Alison is mourning the death of Mrs. D in "Surfing the Aftershocks."

There is a lot of time spent mourning, but most of it was for Ali. This time she's grieving in "Surfing the Aftershocks."

Greeting the mourners for her mother, Alison hold the crowd's attention in "Surfing the Aftershocks."

The Liars never look comfortable mourning and the same holds true in this photo from "Surfing the Aftershocks."

They look kind of disgusted. Enough with Ali's lies, perhaps? "Surfing the Aftershocks."

Everyone is mourning the loss of Mrs. DiLaurentis in "Surfing the Aftershocks."

Let's be honest. The best thing about this photo from "Surfing the Aftershocks" is Emily's choice of attire for what might be a funeral.

Spencer hands Jason a message in "Surfing the Aftershocks."

Jason reads the message that Spender delivers in "Surfing the Aftershocks."