When Spencer turns up missing, Aria, Emily and Hannah wonder if she went off on her own - or if 'A' had something to do with her disappearance. Spencer's family has no idea where she is, which causes more concern. And Olympian Missy Franklin makes an appearance.

Watch this spoiler video for what's coming up on Tuesday March 5 at 8:00 PM on ABC Family.

Read last night's Soaps.com Pretty Little Liars Recap to find out what a fisherman found at the lake and hear about "AMC's" Adam Mayfield to The Client List.

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Header Photo Credit: ABC Family

- Amy Mistretta