Attention! Spoilers are included for episode 3 of season 7 of Young Sheldon. The trailer for episode 4 of Young Sheldon season 7 hints at Sheldon discovering his father's infidelity. This event is closely related to Sheldon's explanation of his unique three-knock rule in The Big Bang Theory, revealing a dark moment from his childhood when he walked in on George with another woman. The upcoming episode, titled "Ants on a Log and a Cheating Winker," may finally address this long-awaited storyline. Watch the trailer below to catch a glimpse of what's to come in Young Sheldon season 7. This episode promises a lot of revelations, including the Coopers' reunion as Mary and Sheldon return from Germany and Sheldon's return to college.

The trailer also features a moment where Sheldon appears shocked, reminiscent of his past experience catching his father's infidelity. Will George really cheat on Mary in Young Sheldon season 7? While previous seasons didn't explicitly show George's infidelity, the upcoming episode suggests that the storyline may be explored further. Stay tuned to see how this unfolds on Young Sheldon season 7, airing Thursdays at 8pm ET on CBS. Young Sheldon is a spinoff of The Big Bang Theory, focusing on Sheldon Cooper's childhood in Texas and his academic pursuits, along with his family dynamics.