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Young Sherlock Season 1

Season 4

The season continues from where it left off in the third-season finale, where the girls were rescued from the burning building by who they believe is Alison. The girls begin looking for answers that could lead to Alison's whereabouts while dealing with the aftermath of Detective Wilden's murder and "A" intervening in their personal lives.

201324 EpisodesDrama, Mystery

Cast & Crew

Lucy Hale

Lucy Hale

Aria Montgomery

Janel Parrish

Janel Parrish

Mona Vanderwaal

Ian Harding

Ian Harding

Ezra Fitz

Shay Mitchell

Shay Mitchell

Emily Fields

Sasha Pieterse

Sasha Pieterse

Alison DiLaurentis

Ashley Benson

Ashley Benson

Hanna Marin

Troian Bellisario

Troian Bellisario

Spencer Hastings

Laura Leighton

Laura Leighton

Ashley Marin

Episode Guide

The girls are reunited when they each begin receiving threatening messages from someone named "A," suggesting Alison is actually alive - and watching them.

Season 4 FAQs

The cast of Season 4 includes Lucy Hale as Aria Montgomery, Janel Parrish as Mona Vanderwaal, Ian Harding as Ezra Fitz, Shay Mitchell as Emily Fields, Sasha Pieterse as Alison DiLaurentis, Ashley Benson as Hanna Marin, Troian Bellisario as Spencer Hastings, and Laura Leighton as Ashley Marin.