Here’s a quick guide covering what that episode is, where DD 5.1 matters, and how to get the best experience.
Play the episode → Look for audio/subtitle settings → Audio track should say "English 5.1" or "Dolby Digital" young sheldon s04e10 dd5.1
Sheldon sets his sights on becoming Dr. Linkletter’s lab assistant. Dr. Linkletter, who is already weary of Sheldon's constant presence, initially rejects the idea. However, in true Sheldon fashion, he begins a persistent campaign to prove his worth, leading to the "473 grease-free bolts" task mentioned in the title. Here’s a quick guide covering what that episode