Next: Get Past Wall
All Hundred Hands of Chaos Guides
All The Fractured But Whole Guides

To get past the gun to find evidence of Scrambles in The Hundred Hands of Chaos in South Park: The Fractured But Whole enter the time controls and use the time pause ability to walk past the gun and switch it off. Then move the TNT next to the wall to the right and use Snap N Pops to ignite the TNT:

Move the TNT next to the wall and use Snap N Pops to ignite the TNT.