Based on collector notes and industry leaks, the contains several notable differences from the final cut:
In the workprint, there is a 10-second scene where Missy asks Mary, “So if Sheldon is a genius, why does he need training wheels? Isn’t that cheating at physics?” Mary has a longer, awkward pause before responding. The joke was cut for timing, leaving only her final line in the broadcast version. young sheldon s04e03 workprint