Troian Bellisario and Lucy Hale Troian Bellisario and Lucy Hale

Have the Pretty Little Liars deciphered the link between Garrett, Wilden, the mysterious board shorts guy and the unknown "Tippi the bird" phone number?

Pretty Little Liars' 10 most ridiculous moments of all time

In our exclusive clip from Tuesday's episode, Spencer (Troian Bellisario), Aria (Lucy Hale) and Emily (Shay Mitchell) are planning their next step when Aria mentions she still can't figure out what connects now-dead Garrett and Wilden to York County — the origin of the number Tippi sang. That is, until Spencer realizes that she's just seen a number from the same area. Find out where the clue leads them below:

Pretty Little Liars airs on Tuesdays at 9/8c on ABC Family.