Chris Harrison hosts a look back at some of the most dramatic moments ever from "The Bachelor" franchise.

90 Day Fiancé couples get a chance to clap back at haters and set the record straight. Cast members from B90—a nickname for 90 Day Fiancé: Before the 90 Days—watch clips from the show at their homes and strike back at burning tweets and social media posts.

Extreme angler and underwater detective Jeremy Wade dives into greater depths to solve the greatest underwater mysteries known to man.

Four bakers create cookies, cupcakes and a showpiece cake in six hours of nonstop competition. Host Buddy Valastro and guest judges visit each kitchen to taste and critique the bakers' creations while the clock continues to tick down. The winning baker gets to finally relax on a dream vacation of their choice.

Working-class Americans are tested for their strength, endurance, agility and mental toughness in challenges that take place in the real world.

Teams compete to navigate rooms flooded with lava by leaping from chairs, hanging from curtains and swinging from chandeliers.