Home • News Must-See: Sneak Peek at Mariah Carey and Nick Cannon's '20/20' Special Check out this preview of tonight's "20/20" special with Mariah Carey. Mariah Carey Nick Cannon By Essence · Updated October 28, 2020 video platformvideo managementvideo solutionsvideo player Before you set your DVRs to record tonight’s “20/20” special featuring Mariah Carey and Nick Cannon with “dem babies,” check out these mini preview clips.Will you be watching tonight to get your first glimpse at twins, Monroe and Morcan? video platformvideo managementvideo solutionsvideo player