Jimmy follows warily. He also is looking for several ways to be able to get the fuck out of there if need be as they walk back and he leaves the gate open. You know. Like a normal dude. We're all just normal dudes here.

But once he does see what Bart's been up to, he looks mildly impressed. He nods along, looking at what he's been up to, taking mental notes of what Bart might need help with physically to get things further along.

"What's Paradesium?" He asks, suddenly realizing that Bart's said something he knows nothing about.