"He called them 'Kickles' for a while," mom Janie Robyck tells PEOPLE exclusively Every day when Janie Robyck's husband, Sheldon, gets home from work, he picks up their 2 ½-year-old son Cooper and ...

Sheldon Cooper's first best friend is prominently featured ... During the BBT episode, Tam visits Caltech with his son and plans to visit Sheldon. Sheldon's angered reaction to seeing Tam ...

Although Iain Armitage's Sheldon Cooper is the center of the Young Sheldon television show, it would have been incomplete without other key characters, notably Lance Barber's George Cooper Sr.

His death had earlier been revealed on The Big Bang Theory, where the adult incarnation of his storyline son Sheldon Cooper (Jim Parsons) had said he'd been 14 when his father had died.

Although both The Big Bang Theory and its prequel, Young Sheldon, have ended with fulfilling storylines, viewers may frequently wonder about one of the TBBT universe's dearest characters, Meemaw.

Lance Barber on the TV return of George Cooper Sr. in "Georgie and Mandy's First Marriage" after a fatal heart attack in "Young Sheldon." ...