1. The Voice Within
2. Under Suspicion
3. Roped In
4. The Witness
5. Not of the World
6. Unheralded Return
7. Confirmation
8. Conscripted
9. Three Rotten Apples
10. The Alien
11. The Elusive One
12. Every Hour Counts
13. Unidentified Virus
14. More Than Canine
15. The Emissary
16. Deadly Encounter
17. The Captive
18. The Onslaught
