This is the kind of casting stunt that causes universes to explode: Young Sheldon titular star, Iain Armitage, is set to invade Adult Sheldon’s (Jim Parsons) universe via a guest appearance on an upcoming episode of The Big Bang Theory, TVLine has learned. And he’ll have company. The unorthodox crossover will also feature Young Sheldon co-stars Lance Barber (Sheldon’s […]
