Big Bang Theory stars reunite in first look at Young Sheldon finale

CBS has released the first look at the upcoming Young Sheldon finale, which will feature an appearance from The Big Bang Theory cast members Jim Parsons and Mayim Bialik.

In the first-look images, Sheldon and Amy are older than when the characters last appeared in The Big Bang Theory, five years ago.

Parsons and Bialik, who play Sheldon Cooper and Amy Farrah Fowler, previously confirmed they would feature in The Big Bang Theory spin-off’s final episode, which airs later this month.