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