The 'Celebrity' hitmaker will join his wife and her co-workers in the final episode of season 11, which will air in the US on May 8, reported Ace Showbiz.
Details surrounding Paisley's character have been kept under wraps, but Williams-Paisley is currently playing Jon Cryer's love interest in the series, which also stars Ashton Kutcher.
It won't be the first time Paisley and his wife have shared the small screen - the couple appeared together on sitcom 'According to Jim' in 2002 and 2003.