When does In Treatment return?

In Treatment is an American drama television series for HBO, based on the Israeli series BeTipul. The program, which stars Gabriel Byrne as Paul, debuted on January 28, 2008, as a five-night-a-week series. The series is about a psychotherapist, 50-something Paul Weston, and his weekly sessions with patients, as well as those with his own therapist at the end of the week. Season 1 earned numerous honors, including Emmy, Golden Globe and Writers Guild awards. The fourth season premiered on May 23, 2021, and aired four episodes weekly.