Jules and Grayson can't see eye to eye when it comes to joining their finances, but they're both going to have to make some sacrifices if they actually want to get married -- and that is not going to be easy. Meanwhile, Laurie's Krazy Kakes business is doing surprisingly well, and Travis convinces her to make some grown up decisions of her own.

The glee club pays homage to a true icon when they cover Whitney Houston's greatest hits. Meanwhile, Emma and Will are one step closer to their dream wedding.

Dave welcomes actress Amy Poehler, talk show host/actress Wendy Williams, and musical guests Trampled by Turtles. "Parks and Recreation" star Amy Poehler talks about her two kids. Is her oldest son watching her every move?

Jess fears she and Russell don't share the fiery passion he exhibits with his ex-wife Ouli. Meanwhile, Cece is not yet willing to admit her true feelings for Schmidt, so she encourages him to go on a date with one of her Russian model roommates. Then, a down-in-the-dumps Nick channels all of his energy into a new vegetable garden.

The stakes are higher than ever when all the eliminated contestants return to the ranch to compete in a fateful, four-part challenge. The challenge winner will secure a coveted spot as a finalist, and the chance to compete for the $250,000 grand prize, along with the other two finalists revealed in last week’s episode. It’s a fight to the finish with each player fiercely determined to get back in the game in a competition that will put their speed, knowledge and endurance to the ultimate test. In the end, the third finalist of season 13 will be revealed.

Super Tuesday II goes live, Stephen plugs his children's book, Julie Andrews discusses fairy tales, Canada creates a bioluminescent coin, and Magnus Carlsen talks chess.

The voting results for Adam and CeeLo's remaining artists are revealed - and the coaches make their final saves.