The Race to the Center of the Earth hits the halfway point, the Big Reveal brings new information to the teams. Competition revs up as teams are faced with harrowing challenges while emotions run high. Teams are gunning to steal first place, but do they have what it takes to win the million-dollar prize?

Cast: Chris Payne Gilbert, James Batey, David Bacon, Mindy Murphy, Jon Irwin, Sierra Knott, Jeremy Conkling, Angelina Fraize, Chris Nelson, Marilina Kim, Paul Montague Jr., Autumn Fryer, Jay Wyatt