Contestants will play "Great Taj Mah Wall," "Say Whaaat?" "Oh Ship," and special guests Matt Iseman and Akbar Gbajabiamila from NBC's "American Ninja Warrior" join host Ellen DeGeneres for "Stink Tank." The winner of each of the first four rounds advances to "Know or Go" and the person who wins that game advances to "Hot Hands" for a chance to win a cash prize. Stephen "tWitch" Boss serves as announcer. 

Just when Derek's condition seems to be improving, a severe complication arises, causing Kit to fear that he may be the latest victim of Cain's cover-up. When Cain's former girlfriend is admitted to the hospital for surgery, the doctors finally get a glimpse into his personal life. Meanwhile, Conrad fills in Marshall on the emergency situation facing the hospital and Mina and The Raptor work on saving the heart of a salsa dancer.

Bev is back from Arizona and has come to the realization that she'd like to use her finances to spread happiness. She has decided to fund Mark's tuition to a prestigious coding camp, while Darlene tries to convince her to give the money to Harris instead. Dan realizes how much he misses Louise, and Becky persuades him to visit her on tour.

Gary takes Amber to anger management class after audio is leaked from a dispute. Catelynn visits her psychiatrist after listening to Amber's audio leaks. Cheyenne decides to start an event planning business. Maci invites Ryan to Bentley's bday party.

Coyote and his crew venture through the Outback in search of two iconic monitor species. As he swims through the watery oasis, he strategically stalks the Merten's water monitor in hopes of having a face-to-face encounter.

Kay asks Mike and Rio to help chaperone Jacob's after-prom event at the community center. After realizing how controlling Kay has been of Jacob's life, Rio tries to encourage her to relinquish control, especially when it comes to his "bad girl" girlfriend Janine. At the same time, Mike recognizes that Beau is upset about Jacob going to college, and he tries to get Beau drunk at the after-prom in order to get him to talk about his feelings.

Kate desperately searches the brewery for Charlie while Frankie seizes an opportunity for vengeful justice, Jenny's employers see things her way and Anne and Lionel make a life-changing decision.

Coyote and his crew venture to Australia's northern territory to investigate the saltwater and freshwater crocodiles. While there, they reveal the difference between them, and hope to bring awareness to each species.

After witnessing Andre's breakdown, Cookie and Lucious have him committed to the same treatment facility as Leah and the guilt Cookie feels from Andre's situation causes her to wonder how different life would be if she had not gone to prison. Meanwhile, Becky struggles with balancing her personal and professional relationships and Hakeem and Maya find themselves in a less-than-ideal situation after a drunken night in Vegas.

Alicia and Paul try to deflect Johan's interest in going to cop camp and one day becoming a police officer. Meanwhile, Rainbow gets her first role as a school safety patrol and quickly realizes that with great power comes great responsibility.

Gary's crew and family come together for a multi-wreck scene blocking the border; low power lines and a bad fuel leak complicate a delicate recovery in Toronto; a garbage hauler creates a heavy mess for the Ross crew.

Coyote races to Australia in search of the Perentie monitor. After a grueling week, the team makes one final attempt to capture the lizard and builds a makeshift birds nest filled with fresh eggs, in hopes of capturing the Phantom of the Outback.

In the first-of-its-kind battle, fearless winners compete for a chance to face-off.

A woman who cares for her ailing father is struggling to sell her home in a desirable neighborhood. Leslie and Lyndsay jump at the opportunity to transform the outdated property into an industrial-chic showstopper that's perfect for a high-end buyer.

In a humorous and heartfelt look back at the episode, Marcus invites the owners of Tank Farm to share insight on their experiences of having Marcus and cameras take over their business and they share where they are now.

After Alex catches Penelope in a compromising position, Penelope is motivated to talk to Alex about healthy human sexuality, while defending herself against Lydia's old-school judgments.

It's known as the worst idea in the history of pro-wrestling — the legitimate boxing tournament that led to career-ending injuries and had audiences begging for the final bell.

Winter has arrived in Port Protection, and residents struggle to survive the elements.

It's a Sin City stakeout as four chefs up the ante at Smith's in Las Vegas, Nev. One chef must turn savory into sweet for their breakfast dish. Then it's a picnic in a parking lot before the chefs are asked to bring the heat to hit the jackpot.

A special undercover report from China's secretive Xinjiang region.

In order to maintain his lifeline to the outside world, Aaron is forced to defend Cassius Dawkins when he puts three white supremacists in the hospital. Marie struggles with her feelings for Aaron after he signs her divorce papers, and Roswell pushes Safiya to request an inmate transfer to Bellmore, claiming his case could help Aaron's. Plus, Anya goes against her campaign staff's wishes, engaging in a town hall at Bellmore.

The Johnstons pamper themselves with mud masks before getting down and dirty at a princess themed mud run. Jonah gives Trent and Amber some devastating news and Trent receives the results from his gallbladder scan.

Peril strikes during a daring investigation as the team embarks on their quest to understand what may lie beneath Skinwalker Ranch.

Wisconsin holds its primary election despite the pandemic, Roy Wood Jr. and Michael Kosta cap off Trump's Best Word Bracket, and Trevor interviews IMF economist Gita Gopinath.

At Home Edition: Justin Timberlake, Russell Wilson and Ciara and musical guest The Avett Brothers plus Best of Fallon moments.

Stephen Colbert from home; with TV host Conan O'Brien; musical performance by Michael Stipe.