Monster Roller Coaster

Influenza delves into the history and impact of this constantly evolving virus, which is often tragically underestimated as merely a cousin to the common cold. The episode explores the ongoing threat it poses & the complex science behind it.

Smallpox is one of the deadliest killers on the planet, and though it has been eradicated, it remains a major bioterror threat.

Ebola is one of the world's most lethal viruses, and a perfect storm in 2014 caused the deadliest breakout in history.

Jonathan and Drew take on San Francisco and buy their houses sight unseen.

The brothers compete in the kitchen for a Star Wars related prize.

Jonathan and Drew compete to see whose master suite comes out on top.

The brothers double down for the chance to shoot hoops with Stephen Curry.

The brothers tackle their outdoor spaces and put the houses on the market.

Jonathon and Drew transform their guest bedrooms and baths.

Experts are rethinking everything they know about the last queen of Egypt.

The world's greatest bots go head-to-head as the battle to become the next BattleBots champion begins.

As elite heavyweights duke it out, the biggest bot in the history of BattleBots prepares to show the old guard that there's a new sheriff in town.

The defending champ takes on a veteran heavyweight in a carnage-packed main event, and brand-new challengers take center stage with brand-new innovations designed to destroy and demolish.

The mayhem continues as 14 more elite bots enter the fight, when one of the most dreaded bots in history looks to make its mark.

Two heavyweights with a long-time rivalry face off in a long-awaited grudge match.

When the defending champ faces a legendary robot with a deadly move, the tournament's top fighters must brave a Wild West atmosphere in the Battlebox.