For this reason, it's perfectly fitting that during the last Halloween episode ever, viewers were treated with Howard nailing a perfect Sheldon Cooper costume. But the real treat came when Sheldon ...

Doctor Sheldon Cooper is TV's favourite nerd ... When Sheldon gets into character, he really gets into character. To win a costume competition, the gang dressed up as members of the Justice ...

Costume never arrived…I went as Young Sheldon! People told me all night ... “Obviously, the Cooper family is still in Medford. It makes much more sense in these stories to have Mary pop ...