VIDEO : 'The Big Bang Theory' & 'Young Sheldon' Crossover Is A Week Away

We're just one week away from the first major crossover between The Big Bang Theory and its spin-off series, Young Sheldon, and CBS has finally unveiled the first details from the anticipated episode. The episode, which airs on December 6th, will be called "The VCR Illumination," and will feature appearances from Young Sheldon cast members Iain Armitage (Sheldon), Lance Barber (George Sr.), and Montana Jordan (Georgie).