Season Four

1 – Day One.
2 – The Other Squad.
3 – Training Exercise.
4 – Mission Start.
5 – Walking and Talking.
6 – Holding Pattern.
7 – The Last Assignment.
8 – Evacuation.
9 – Projection.
10 – Ripples.
11 – Hints and Secrets.
12 – Rumours.
13 – The Last Town.
14 – Decision.
15 – Epilogue.