The original Season 3 finale was actually pushed back and became the Season 4 premiere, "Graduation".
No full season workprint set has ever surfaced. young sheldon s04 workprint
If you were to watch a Young Sheldon workprint, you wouldn’t see the polished version that aired on TV. Instead, you'd likely encounter: The original Season 3 finale was actually pushed
When the workprint surfaced in 2022 on Reddit’s r/YoungSheldon: young sheldon s04 workprint
Sheldon's worldview is challenged by his philosophy teacher, Professor Ericson, forcing him into a philosophical tailspin. He also begins working closely with Dr. Linkletter, leading to humorous struggles with peer socialization. 3. The Downward Shift in the Cooper Household Season 4 (Young Sheldon) | The Big Bang Theory Wiki