Neil DeGrasse Tyson skepticism: 1:40
Neil DeGrasse Tyson skepticism and mocking: "So the prospect of this being true didn't freak you out?" 8:18
Neil DeGrasse Tyson mocking: "So you've analogized yourself to Super Mario. This is who you are?" 9:50
Neil DeGrasse Tyson summary of what he's skeptical of: 23:55
Neil DeGrasse Tyson expressing "this is dumb" with his eyes: 24:50

The video is 2 hours long, but within the first 24 minutes, you can tell Neil doesn't believe this crap.

Neil DeGrasse Tyson skepticism: 1:40
Neil DeGrasse Tyson skepticism and mocking: "So the prospect of this being true didn't freak you out?" 8:18
Neil DeGrasse Tyson mocking: "So you've analogized yourself to Super Mario. This is who you are?" 9:50
Neil DeGrasse Tyson summary of what he's skeptical of: 23:55
Neil DeGrasse Tyson expressing "this is dumb" with his eyes: 24:50

The video is 2 hours long, but within the first 24 minutes, Neil seems skeptical of this crap.