GAVIN and Stacey’s Joanna Page makes her TV return TODAY in a brand new series – days after the beloved show ended for good. The Welsh actress, 47, played Stacey on and off from 2007

The British sitcom, co-created by and starring James Corden and Ruth Jones, is the U.K.'s most-watched scripted show across all broadcasters and streamers since current records began in 2002.

The finale of the sitcom, which aired on Christmas Day, is nearing 20 million views, the most for a scripted show since current records began.