No Doubt will return with a new album this fall, the band announced in a video on Friday.The album, due Sept. 25, will be the group's first since 2001's "Rock Steady".The joking announcement, full of studio applause and sound effects, didn't share a title for the new release."Thank you all so much for your support over the last 25 years," the band wrote on its official website. "We're really proud of our new album and we hope you love it as much as we do."In the coming months, the long-absent group promised to post "plenty of photos and webisodes as we go."No Doubt hasn't been entirely off the radar in the last decade-plus: frontwoman Gwen Stefani released a pair of notable solo albums and the group returned to touring in 2009.