1
Plane Crash (Season 1)
2
Tsunami (Season 3)
3
Lab Outbreak (Season 8)
4
Serial Bomber (Season 2)
5
Sniper (Season 4)
6
Hospital Shooter (Season 9)
7
Train Derailment (Season 3)
8
Building Collapse (Season 8)
9
Earthquake (Season 2)
10
Cruise Ship Disaster (Season 7)
11
Bridge Collapse (Season 6)
12
Blackout (Season 5)
13
Escaped Bees & Plane Disaster (Season 8)
14
Dam Break (Season 4)
15
Space Emergency (Season 9)