Season 7

Hit and Run, Run, Run

It's revealed that Alison was the one Aria and Ezra saw going into the church. She chased Charlotte there. Charlotte found out that Elliot and Alison were seeing each other. Alison tries to explain but Charlotte, feeling betrayed, refuses to listen. Charlotte tells Alison to leave her leave her alone which she does. It is the last time Charlotte is seen alive.

Wanted: Dead or Alive

Jenna reveals that she and Charlotte were friends. In a flashback, Charlotte knew that Archer was a fraud and help speed her release because Jenna hired him. It is revealed that Jenna was helping her find her birth mother, Mary Drake. This leads Alison to believe Charlotte never cared about her and was using her.

Farewell, My Lovely

In a flashback, Mona reveals that she killed Charlotte. The meet at the church where Mona confronts Charlotte and knows about her fake recovery and plans to restart the game with plans to expand beyond the girls. After attempting to scare Charlotte by pretending to have her pushed off the belltower, Charlotte recovers and fights back. She cruelly tells Mona that The Liars will never love her, but Mona gets the upper hand and shoves against a wall. A metal rod impales and snaps her spine, killing her instantly.

'Til Death Do Us Part

In a flashback, it is revealed that after leaving New York disguised as Vivian Darkbloom, Charlotte did make it to Paris and it was on that flight she met her future lover, Archer Dunhill; who promised to call her the next day. After arriving, she gets a call from Wren Kingston who tells her her half-sister Alex Drake is waiting for her in the airport bar. Charlotte is wary as to whether this actually is her sister after having found multiple Alex Drake's and being related to none of them, however she is shocked to see that Alex looks exactly like Spencer Hastings and realises the two of them are identical twins.

Alex reveals that after meeting, she and Charlotte instantly had a bond and spent their first night in Paris together talking all night. She also reveals that she and Charlotte went on several double dates with Wren and Archer after they arrived in London. However Charlotte began to miss the "Game" of torturing the Liars and decided to return to Rosewood.

Another Flashback shows Charlotte and Alex in a bar before Charlotte left London and shows how Alex wanted Charlotte to stay in London but Charlotte was too entrapped by the thrill of the Game to give it up. When Alex suggested going with Charlotte, Charlotte forbid Alex from coming to Rosewood and meeting the Hastings. Charlotte dismayed Alex's feelings of Jealousy towards Spencer by saying that she only saw her other sister as a "doll" to play with. After an emotional farewell, Charlotte gave Alex her favourite Patsy Cline Album as a goodbye gift before leaving for Rosewood. Alex revealed that this was the last time she saw Charlotte alive and the next she saw her she was visiting her grave.