S3, EP15 "False Flag (Part Two)"
The Texas Rangers and the Walkers must contend with Grey Flag's plans and one truth -- that everything was a lie.
S3, EP14 "False Flag (Part One)"
Cordell, Cassie, Captain James and Trey realize Grey Flag's plans and partnerships extend deeper than they once thought; while the Walkers plan for the Mayor's Medal Ceremony, Cordell struggles with missing out on time with his kids.
S3, EP10 "Blinded by the Light"
Cordell is tipped off that Grey Flag may still have him as their prime target; Captain James discovers that Cordell and Cassie weren't truthful about some top-secret information; Trey's involvement in the prior week's case lands him in hot water.