When does 4400 return?

The series is a reboot of the 2004 television series The 4400. It premiered on October 25, 2021, on The CW and concluded on February 14, 2022. In May 2022, the series was canceled after one season. Forty-four hundred people who vanished without a trace over the last century all make a sudden return.
Forty-four hundred people vanished without a trace over the last century. They make a sudden return, having not aged a day and with no memory of what happened to them.