An art gallery that's showing potentially offensive artwork is bombed, and Mulder and Scully try to communicate with the comatose bomber to prevent a future attack. A pair of younger FBI agents on the case push Mulder and Scully to examine their own beliefs.

After Jonah claims that he would date Dina if she wasn't his supervisor, she decides to ask for a demotion.

Jake Epping is burned out and lost. His ex-wife has moved on, his students are always distracted, and his novel went nowhere. Then one of his dearest friends, Al Templeton, shows him the rabbit hole, a secret time portal that leads back to 1960. Al asks Jake to head back to the past and create a better world by stopping the Kennedy assassination. Jake heads down the rabbit hole to begin his mission but finds that changing the past is far more dangerous than he ever would have dreamed.

Ben and the six remaining ladies visit his hometown of Warsaw, Ind., where one lucky bachelorette is given a private tour by Ben. Later, Ben takes a date to Chicago's Wrigley Field. A group date for three women at a romantic farm ends in tears when only one of them gets a rose. One lady gets her first one-on-one date and a special surprise.

After a horrible start to the season, Troy is desperate and does the unthinkable by bringing in outside help, despite objections from his sons and brother. Meanwhile, Ron is determined to turn his puppy into a gator dog; and an unorthodox duo known as "Salt and Pepper" enter the fray and hope to get their piece of the action.

After Callie and Jude discover Jack is being abused by other boys in his group foster home, they turn to foster care advocate Justina to get him help. Jesus attempts to get to know Gabe at work even as Nick urges him to tell Gabe the truth about who he is. Meanwhile, Mariana is surprised when Nick asks her out.

While visiting Stan at the CIA, Steve gets recruited by the NSA.
Meanwhile, Roger convinces Hayley to abandon her vegan ways for a day & embrace her carnivore side.

After Ana finds out that Xavi has a girlfriend, she attempts to help him by trying to fix all the things about him that annoyed her when they were married. A pregnancy story line on the show makes Rodrigo begin to think about having children.

It's up to the twins and the remaining townsfolk and other residents of Gravity Falls to bring an end to Bill and his minions once and for all to save the world.

Auction fever hits the garage as the Monkeys have less than a week to build a '69 Riveria to sell at the Leake Auction along with motorcycles from their big chopper build off to determine who will win Richard's big prize.

In an effort to get over his infatuation with Chloe, Lucifer decides that he must seduce her. Meanwhile the two team up on a missing girl case and Amenadiel confronts Maze about his concerns about Lucifer.

The students deal with some personal matters that have been preventing them from focusing on the upcoming Welter's Tournament.

When the residents of an upscale rehab facility have to temporarily move into Springtime Meadows, Vern is elated that his favorite actress Olivia O'Brien is among them. But Olivia isn't what Vern expected. Maddie is feeling left out of her high school life and decides her boyfriend Zach's birthday is the perfect opportunity to reclaim her place. But when the celebration turns into a wild party, Maddie is faced with temptation to slip back into her old ways. Flashbacks highlight Vern's addiction and Cynthia's efforts to help her best friend get clean.

With only two weeks left on the ranch, Bob welcomes the contestants at a challenge that will tempt the winner with a prize that could change the course of the entire competition. Not only will they win a one-pound advantage for themselves, they'll gain the ultimate power in the game with the ability to give a one-pound disadvantage to one of their remaining opponents. THE FINAL CUT The five remaining players gather for their final challenge, a time-honored tradition of contestants putting back on all the weight they've lost over the course of the season and then shedding it one last time at different stages. The winner receives a coveted prize that could secure their spot as a finalist as the competition goes from five players to three, before next week's live finale when the Biggest Loser and winner of the $250,000 prize will be chosen.

A young woman and her 3-year-old son are shot to death while driving through gang territory in the wrong colored car, and the gun used in the murder is quickly connected to the most troubling series of unsolved homicides in LAPD history. As Captain Sharon Raydor and the rest of her division attempt to solve the mystery, Amy Sykes begins an uneasy alliance with a disgraced former LAPD detective with a novel theory and a corrupt past.

Jimmy and Kim's relationship takes a new turn. Mike decides it's for the best to sever his affiliation with an unrestrained associate.

When the son of a Russian diplomat turns up murdered, Beckett and Castle find themselves in a dangerous game of international crime and punishment, with Castle having to entertain a jovial Russian security officer who winds up more involved than anyone planned.

- Scalia Dies, Republicans Debate
- The Democratic Debate
- Syrian Refugees Part 1.

"Going Back to Cali" cold open (appearance by LL Cool J); Jimmy jumps through Randy's Donuts sign; Tight Pants (Will Ferrell, Christina Aguilera); 2 Chainz & Lil Wayne performed "Rolls Royce Weather Every Day".

Stephen welcomes Craig Ferguson, Senator Cory Booker, and World Darts Champion Scott Waites.

Seth is joined on the show by Jason Sudeikis, Kelly Rohrbach and Matthew Heineman.

James is joined on the show by Chelsea Handler and Jason Schwartzman.

It's Dom's first day back at work after Lee's attack. He's been cleared of any wrong-doing by the police but is stunned that he's now the focus of an internal investigation based on a complaint made by Lee. He's emerged unscathed from the assault but does Lee still have the power to hurt him professionally? When tests reveal that Austin's liver disease has progressed, Morven takes decisive action to help her father. Arthur, however, is alarmed. Is Morven is taking unnecessary risks with her own health? Mo needs to take her plans for solo parenthood to the next stage and find a suitable baby father. However, she distracts herself helping a patient. Just how committed is she to having a baby, now Mr T is out of the picture?.

Catherine arrives home with Ilinka, an emaciated Croatian woman who has been rescued after being trafficked and enslaved for the past four years. Meanwhile, John's panic over Vicky's threat spills out into his home life.

A week past her due date, Lorna springs some new ideas on Ken about baby care. Rachel is delighted when an old friend returns.