‘Young Sheldon’ Star Iain Armitage Says the Show Was a ‘Big Undertaking’ as Co-Stars Acknowledge He Could Be ‘Difficult’ to Work With

'Young Sheldon' aired its final episode in 2024, and now, the cast is getting candid about their experience working with star Iain Armitage, who was just eight years old when the series began. Co-stars acknowledge he could be 'difficult' to work with.