See what strange creature lurk beneath the surface of our river waters in this fascinating Animal Planet show.
| S 4 : Ep 9 | Lair of Giants | Aired 5/27/12 | |
| S 4 : Ep 7 | Phantom Assassin | ||
| S 4 : Ep 6 | Mongolian Mauler | ||
| S 4 : Ep 5 | Russian Killer | Aired 5/6/12 | |
| S 4 : Ep 4 | Asian Slayer | Aired 4/22/12 |
S 4 : Ep 9
Aired 5/27/12
S 4 : Ep 7
S 4 : Ep 6
S 4 : Ep 5
Aired 5/6/12
Plus: American Ninja Warrior and much more! read more
Plus: The finales of Blue Bloods and CSI:NY and the premiere of USA's Common Law. read more
User Score: 218
User Score: 5
User Score: 5
User Score: 5
Documentary, Science, Suspense
breathtaking nature, epic adventure, fish out of water, hostile monsters, killer animal