Season 7, Episode 14 of Young Sheldon serves as the . After seven seasons of growing up in East Texas, Sheldon Cooper finally takes a major step toward the physicist we know from The Big Bang Theory . The episode balances emotional family moments — particularly with Mary, George, and Missy — with Sheldon’s trademark awkward brilliance.

: Buy the full Season 7 Blu-ray set. Watch the finale once for the story, then immediately watch it again with the director’s commentary (included on most Warner Bros. TV Blu-rays). You’ll catch details you missed the first time.

The death of George Cooper Sr. was a known entity for anyone familiar with The Big Bang Theory lore. We knew it was coming; we knew Sheldon was at Caltech when it happened.