If you clarify what refers to (e.g., a Blu-ray chapter, a file group, or a timestamp), I can narrow it down further. Otherwise, the above is your complete guide to Yellowjackets S02E01.
The most immediate shift is the environment. The survivors are now entrenched in winter. The dynamic has shifted from "Lord of the Flies" power struggles to pure survival. yellowjackets s02e01 bd5