A reunion of the 'Young Sheldon' cast has taken place on the set of 'Georgie & Mandy's First Marriage', with Lance Barber among those returning. The reunion appears to be related to Barber's guest appearance on the show, although details of the episode are not specified. The reunion has been described as an impromptu gathering of the Cooper family, with several 'Young Sheldon' veterans set to appear on 'Georgie & Mandy's First Marriage'.