VIDEO : Annie Potts Joins Cast of CBS' 'Young Sheldon'

On Tuesday it was revealed that actress Annie Potts has joined the cast of CBS' 'Big Bang Theory' prequel 'Young Sheldon' as the main character's grandmother, who the grown-up version affectionally refers to as 'Mee-maw'. The character, who was played by actress June Squibb in season 9 of 'Big Bang Theory', is described as foul-mouthed and hard-drinking, but very supportive of her grandson and his unique gifts. 'Young Sheldon' premieres Monday, September 25 at 8:30 p.m. on CBS.