YOUNG SHELDON

Season 4 closed with situations that could hardly be classified as comedy: Genius Sheldon Cooper (lain Armitage) trailed after his heartbroken twin, Missy (Raegan Revord), when she decided to run away. And their parents, Mary (Zoe Perry) and George Sr. (Lance Barber), argued, driving the high school football coach to a bar, where neighbor Brenda Sparks (Melissa Peterman) was offering solace.

- Jim Halterman

“We keep exploring the cracks in their relationship and the toll that having this family, and especially a special son like Sheldon, has taken," says executive producer Steve Holland, who promises"deeper storylines" along with the usual fun. For more, we turned to Armitage:

What happens when the missing 11-year-olds inevitably return home?

Sheldon is ready for the hammer to drop and them to be punished for running away. He's very paranoid.