Trouble comes a-knockin' on Sheldon Cooper's (Iain Armitage) first day of ninth grade on the season premiere of Young Sheldon.

WATCH: Here's Your First Look At Young Sheldon

While the little genius has more than enough smarts to ace all his classes, his social skills leave something to be desired... to put it mildly.



After calling out students and teachers alike for their dress and grooming code violations, Sheldon could use some schooling of his own—and we don't mean book-learnin'.

Luckily, our young hero has his family—raucous as they are—to help him through the hard times.



How will Sheldon adapt to future high school situations?

Watch a special series debut of Young Sheldon on Monday, Sept. 25 at 8:30/7:30c, following The Big Bang Theory, on CBS and CBS All Access.

Then, catch the new series in its regular time period on Thursdays at 8:30/7:30c starting Nov. 2 on CBS and CBS All Access.