Why did Jenna pay off Caleb?

Who might be living a triple life?

Is someone spying on the girls?

All these questions are at the center of next Monday's "Monsters in the End," as teased/previewed in the following five clips. Yes, FIVE clips! Sit back and get an early look at the penultimate episode of season one below...

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.