Niagara Falls, Canada and USA
- Episode aired Oct 30, 2015
- TV-Y
- 11m
Glitch blocks Niagara Falls to give Grim HQ a mud bath causing a hydroelectric power station to stop working.Glitch blocks Niagara Falls to give Grim HQ a mud bath causing a hydroelectric power station to stop working.Glitch blocks Niagara Falls to give Grim HQ a mud bath causing a hydroelectric power station to stop working.