‘Young Sheldon’ says goodbye after seven seasons. ‘The Big Bang Theory’ prequel sequence ended with a two-part finale, however not with out dropping just a few surprises about Sheldon Cooper’s future. ‘Big Bang’ stars Jim Parsons and Mayim Bialik return as grownup Sheldon and his spouse, Amy Farrah Fowler, in flash-forward moments making a number of new reveals within the finale.
