Despite Young Sheldon having wrapped in early 2024, one cast member has returned to their character for Halloween. Iain Armitage took on the role of the younger version of Jim Parsons’ The Big Bang Theory character in 2017, playing Sheldon for 7 seasons until this past May. After the loss of his father, Young Sheldon season 7 ended with Sheldon leaving Texas behind and heading to CalTech to continue his studies, leading into the events of the original series.