"The door might've grabbed him." Bill nods.

Bill worries, though, whether or not the door actually took Raylan back to Milliways, or if it dumped him somewhere else.

Or the state of the bar if Raylan gets there.

"I'll keep tryin', see if I can't get back there."

He looks at Kate in the doorway.

"Just be careful goin' through doorways for awhile. Don't know what all is goin' on right now." And he doesn't want Kate to get picked up into the unknown.