Gremlins: Shortly before the eggs hatch the protagonist’s dad calls from the convention while his mom’s making Christmas treats. Take a good look behind the dad: there’s a large machine in the background with several gadgets moving on it, right? When the scene cuts back to the mom and then back to the dad, the machine is gone. What happened to the machine we don’t know, but what we do know is that the machine was from the movie The Time Machine.