In an unholy partnership that will no doubt spell a finish of civilization, “Glee” and “American Idol” are holding their new Thursday pairing to a whole new level.

The Fox low-pitched dramedy is tighten to adding “Idol” Season 11 runner-up Jessica Sanchez for a multi-episode arc in a arriving fourth season, according to a Hollywood Reporter.

Details on Sanchez’s impression are being kept underneath wraps. But a thespian would reportedly join a array mid by Season 4 and join high-profile additions Sarah Jessica Parker and Kate Hudson, who have both sealed on for mixed episodes.

“Glee” will pierce from a longtime home on Tuesdays to Thursday nights starting in September, to be interconnected with existence juggernaut Idol.

Sanchez, 16, would expected join a array following a execution of “Idol’s” summer unison tour, that comes to a Power Balance Pavilion in Sacramento on Jul 21 and HP Pavilion in San Jose Jul 22.

Contact Tony Hicks during thicks@bayareanewsgroup.com or on Facebook during www.facebook.com/BayAreaNewsGroup.TonyHicks.