Mark your calendars! Season 4 starts Tuesday, September 24th!???? #thisisus https://t.co/KQyesILiyb

Mark your calendars! Season 4 starts Tuesday, September 24th!???? #thisisus https://t.co/KQyesILiyb

Latest images of Mandy Moore

Jack and Rebecca together forever!!! ???????????????? #faceapp #thisisus https://t.co/qT4ZkJgsi0

Thank you @TelevisionAcad! What an exciting day! ???? https://t.co/HZS8cmWEv3

Mom and Dad are back shooting the very first scene of season 4. Can’t wait for you to see!???? #thisisus https://t.co/ejVbWc8fOi