You Season 4 stars Penn Badgley as Joe Goldberg.
It will release on February 9, 2023, at 12 am ET for US audiences and 8 am GMT for UK audiences.
The second part of the season will release on March 9, 2023.
A trailer for the season has been released and shows Joe Goldberg in London.
The cast also includes Tati Gabrielle, Lukas Gage, Charlotte Ritchie, Tilly Keeper, Amy-Leigh Hickman and Ed Speleers.
The show is set in Europe, with parts of it shot in London and Paris.
Joe Goldberg will be seen as a university professor in London under the fake name of Jonathan Moore.
The plot will see Joe falling back into his familiar patterns as his past comes haunting.
You season 4 is created by Greg Berlanti and Sera Gamble and is directed by John Scott, Shamin Sharif, Harry Jierjian.