S2E23 - Ariana Grande was right
S3E1: Liberty S3E2: Nothing to Hide
Liberty: GUI changes. The gang takes down numbers like it's their job. Carter's got Elias stashed in her basement. The Machine is acting beyond just dumping numbers now. We get the start of the best odd-couple pairing for the rest of the series. Falafel stands replacing inconspicuous park benches for secret meetups. 3.5 star secret.