"Hey, get back here! I haven't even done my Undertaker impression, yet!" Beetlejuice flew after the other demon. He cut it off right before he could reach the kids. 

"Alright Leatherface wannabe, it's time to go back home," BJ announced. He opened a portal to the Netherworld, the green light shining through. When the monster tried to flee, he extended his arm up the hall and snagged it, hauling it back by the scruff. "Come back any time you wanna fight a [i]real[/i] demon!"

With that, Beetlejuice tossed the monster into the portal and zipped it up with a giant zipper. He dusted his hands as the portal disappeared. "Well, glad that's over with." He turned back to the kids. "And it looks like the cat's out of the bag!"

He turned into a striped cat and leaped into Lydia's arms. Nate just now seemed to put two and two together. "Your dog was a demon a the whole time?! Why did he eat my homework for Literature?!"

Catjuice shrugged. "Mark Twain and I had a little spat back in the day. I saw his name on it and couldn't help myself."