CW's backdoor pilot airs in April
They join Nathaniel Buzolic, Sean Faris and Lucien Laviscount on the backdoor pilot titled "Tribes"
The network also announced season finale dates for its current slate
Spinoff will air as a "Supernatural" episode on April 29
Matt Miller ("666 Park Ave.") will write and executive produce the pilot
The network delivers early pickups for three returning series and two freshman dramas
The shows combined earn average of 2.45 million viewers -- the most since 2008
"The Originals" and "Supernatural" prove to be a formidable duo
Says network is "very profitable"
"Vampire Diaries" spinoff "The Originals" kicks off Oct. 15
"So You Think You Can Dance" hoofs it to a 21 percent increase over Tuesday's season premiere as Fox takes night overall
The CW's superhero drama "Arrow" gets a second season
"Gossip Girl" starts its last run on Oct. 8, while "Arrow" draws back its bow on Oct. 10
Network gives early pickups to "The Vampire Diaries," "90210" and "Supernatural"
"America's Next Top Model" to feature all-stars from past cycles
Big Hopes Rest on "Melrose Place," "Vampire Diaries."
How ad exec Jennifer Titus ended up recording the song at the heart of the network's 'Supernatural' campaign.