Teams of social media stars travel to Mexico City, where they find an archaeological roadblock and set off fireworks.

28TH SEASON PREMIERE

(Originally Aired: Friday Feb 12, 2016)

A double homicide occurs that involves infidelity; McGarrett and the team share disastrous Valentine’s Day experiences.

(Originally Aired: Friday Feb 12, 2016)

Multiple women take credit for murdering the man they worked for; Frank and his priest clash over how to deal with a boy who has been stealing from the church; Nicky gets into trouble.

(Originally Aired: Friday Feb 12, 2016)

Kristine Johnson and Maurice DuBois.

Actress Patricia Heaton; record producer Quincy Jones; civil rights activist Deray McKesson; Grace performs.

(Originally Aired: Monday Jan 18, 2016)

When Sally sees the box of candy Linus brought for his teacher, she thinks it’s for her and gives him a card; Lucy wants affection from Schroeder; Charlie waits for a card; Charlie tries to invite a girl to a dance but doesn’t have her phone number.

A smart plate with food-recognition technology that could help dieters; a sweetener that tastes like honey, but isn’t made by bees; a spa business for babies; checking in with Ilumi; guest shark Chris Sacca.

(Originally Aired: Friday Feb 12, 2016)

Nearly 17 years after the Columbine school shooting, Sue Klebold, whose son Dylan was one of the perpetrators, talks about the tragedy, the victims and the atmosphere in her home prior to the incident.

(Originally Aired: Friday Feb 12, 2016)

Bill Ritter, Sade Baderinwa, Lee Goldberg, Rob Powers.

Actor George Clooney (“Hail, Caesar!”); animal handler Dave Salmoni.

(Originally Aired: Tuesday Feb 02, 2016)

Videos include “Nature’s Wrath,” “Humans Are Awesome” and “Dash Cam Drama.”

(Originally Aired: Friday Feb 12, 2016)

After a barbaric ritual takes place, Monroe goes under cover to help Nick, Hank and Wu track a serial killer; Eve uses her skills in an interrogation.

(Originally Aired: Friday Feb 12, 2016)

As detectives struggle to find leads in the murder of a college student, the perpetrator strikes again.

(Originally Aired: Friday Feb 12, 2016)

Chuck Scarborough, Sibila Vargas, Janice Huff, Bruce Beck.

Actor Ray Romano; actress Lucy Hale; Brandi Carlile performs.

(Originally Aired: Friday Jan 15, 2016)

Crane and Sophie battle a supernatural force targeting Sleepy Hollow residents as Pandora and the Hidden One grow stronger; Jenny investigates Abbie’s disappearance, and has an encounter with her father.

(Originally Aired: Friday Feb 12, 2016)

A dead pool predicts Mary will die on the same day as the launch of an important Lookinglass product; a near-fatal brawl sends Pritchard to the hospital; Otto discovers glitches in Pritchard’s code.

(Originally Aired: Friday Feb 12, 2016)

When Stefan tries to reason with an increasingly reckless Damon, he learns the devastating reason for his brother’s behavior; Caroline turns to Valerie when she begins suffering dangerous side effects of her pregnancy.

(Originally Aired: Friday Feb 12, 2016)

Klaus finds himself in a standoff with an unlikely foe when a weapon that could take down his family ends up in the wrong hands; Elijah’s efforts to reclaim the Strix result in a violent showdown; a new coven tries to elicit Davina’s help.

(Originally Aired: Friday Feb 12, 2016)

With only months to live, a man (Scott Wolf) finds himself falling in love with his wife (Courtney Ford) all over again.

(Originally Aired: Thursday Jan 01, 2015)

A woman’s (Emmanuelle Vaugier) life gets thrown into turmoil when her boyfriend’s ex claims that he is the father of her child.

(Originally Aired: Friday Feb 12, 2016)

Luke gets some summer school help from Ravi and reunites with his siblings; Camp Kikiwaka and its rival engage in a turf war.

(Originally Aired: Friday Feb 12, 2016)

Auggie experiences an existential crisis while trying to figure out what he wants to be; Farkle and Maya are caught cheating on a test and must face the school honor board.

(Originally Aired: Friday Feb 12, 2016)

Dipper, Soos and Wendy try to save Mabel from a strange new world.

(Originally Aired: Monday Nov 23, 2015)

(Originally Aired: Friday Feb 12, 2016)

When the girls travel back to the 70’s for help on a report, they land right in the middle of a turf battle between punk and disco kids.

(Originally Aired: Sunday Aug 23, 2015)

Maddie needs Liv’s help to build a giant Paulie Porcupine head for the parade; Parker and Joey accidentally destroy it while playing around with show props.

(Originally Aired: Sunday Sep 13, 2015)

Luke gets some summer school help from Ravi and reunites with his siblings; Camp Kikiwaka and its rival engage in a turf war.

(Originally Aired: Friday Feb 12, 2016)

Auggie experiences an existential crisis while trying to figure out what he wants to be; Farkle and Maya are caught cheating on a test and must face the school honor board.

(Originally Aired: Friday Feb 12, 2016)

(Originally Aired: Friday Feb 12, 2016)

A sneak peek at an upcoming episode.

(Originally Aired: Friday Feb 12, 2016)

(Originally Aired: Friday Feb 12, 2016)

(Originally Aired: Friday Feb 05, 2016)

Grape leaves; lamb burger with red-pepper relish; deep-fried pork chops with sweet-and-spicy pepper jelly.

(Originally Aired: Monday Jan 30, 2012)

Linda Kay’s Diner in Scranton is in disarray and debt, and owner Linda has put off marrying the love of her life, James.

(Originally Aired: Friday Feb 12, 2016)

Wings with adobo sauce; roasted-garlic chicken pizza; mango chutney.

(Originally Aired: Monday Dec 13, 2010)

In Long Beach, Calif., pot roast and scones; in Jackson, Wyo., pies topped with everything from pesto to spicy sausage and marinara; in Monterey, Calif., parmesan pretzels and short rib grilled cheese.

(Originally Aired: Friday Jul 25, 2014)

Guy Fieri and his son Hunter make their way to Rome, where they discover how to make the perfect cup of cappuccino, dine at a unique seafood spot and dive into gelato-making at a place serving up tradition since the 1880s.

(Originally Aired: Friday Feb 12, 2016)

In New Orleans, John Besh, reveals his most treasured spot for burgers and sides; in Hoboken, N.J., a Eastern European pot roast that takes five days to make; in St. Louis, a smoked meat sandwich along with a candied praline pie.

(Originally Aired: Friday Feb 12, 2016)

In Minneapolis, Minn., steak and braised beef sandwiches; in Atlanta, a fish specialty and pastrami hash; in Plymouth, Mass., cheesesteak pretzels and a twist on traditional shepherd’s pie.

(Originally Aired: Friday Sep 18, 2015)

In Toronto, Canada, pork belly, a mac and cheese burger and a Christmas burger; in Nags Head, N.C., Jamaican jerk chicken and Caribbean pork chops.

(Originally Aired: Monday Mar 18, 2013)

(Originally Aired: Friday Feb 12, 2016)

Tony Beets travels to his roots in the Netherlands, where he talks about his transformation from a farm boy to a Klondike mining legend.

(Originally Aired: Friday Feb 12, 2016)

Hoping for a job as a commercial diver, Erik welds a patch on a sunken submarine; Rookie heavy haul driver, Fred, battles through Hurricane Patricia; three lessons into his bush pilot training, Ron ends up in a hospital.

(Originally Aired: Friday Feb 12, 2016)

Tony Beets travels to his roots in the Netherlands, where he talks about his transformation from a farm boy to a Klondike mining legend.

(Originally Aired: Friday Feb 12, 2016)

Kahn decides to be a beer-drinking, El Camino-driving, ATV-riding redneck when Connie is rejected by a prestigious summer school.

(Originally Aired: Sunday May 16, 2004)

The kids talk Bob into letting them cut school so they can help him select a Valentine’s Day gift for Linda; Linda organizes a speed-dating event at the restaurant.

(Originally Aired: Sunday Feb 10, 2013)

Bob and his family spend the weekend with Mort the mortician while work is done on the restaurant; Linda and Bob double date with Mort and a female mortician (Amy Sedaris).

(Originally Aired: Sunday May 08, 2011)

(Originally Aired: Sunday Jan 27, 2013)

Brian launches a campaign to legalize marijuana after his arrest for drug possession.

(Originally Aired: Sunday Apr 19, 2009)

Stewie starts hitting the gym with Peter after Joe’s infant daughter beats him; Chris starts to date a popular girl at school and realizes that popularity is like physics.

(Originally Aired: Sunday Apr 26, 2009)

Nurse Beth’s origins in the Childrens Hospital basement, where she must navigate the social hierarchy of the nurses.

(Originally Aired: Friday Feb 12, 2016)

A controversy in the competitive world of car genitalia; Skip Reming and Rob Riggle talk with Ingrid Hagerstown (“Childrens Hospital”).

(Originally Aired: Thursday Dec 04, 2014)

Neon Joe faces his destiny.

(Originally Aired: Thursday Dec 10, 2015)

Dianna has big plans for a spooky routine when the Dolls compete on Halloween; the Purple Diamonds await the Dolls with a new member in tow.

(Originally Aired: Friday Feb 12, 2016)

Dianna prepares an ambitious gospel duet with an unlikely pair; Tina prepares for her wedding; Selena finds out she has not been invited to Tina’s wedding.

(Originally Aired: Friday Feb 12, 2016)

Usher visits; the five rappers have to write and shoot a 30-second feature in a music video with hip hop duo 2-Crucial; the managers spin out of control.

(Originally Aired: Friday Feb 12, 2016)

Amanda and Andrea doubt Emily’s pregnancy when she invites all the ladies to go horseback riding; Bri wants more from her relationship with her child’s father.

(Originally Aired: Wednesday Feb 10, 2016)

When an actor who makes Westerns visits a dude ranch, his fans are horrified to learn that he’s actually a city slicker who’s afraid of horses.

(Originally Aired: Friday Feb 12, 2016)

A series of unfortunate events threatens to spoil the trip to Walt Disney World.

(Originally Aired: Wednesday May 21, 2014)

Sue auditions for show choir; Brick asks Frankie to come to his class presentation dressed in a costume; Frankie thinks she has finally sold a car.

(Originally Aired: Wednesday Sep 30, 2009)

Blanche and Rose despise Dorothy’s pompous friend, novelist Barbara Thorndyke (Bonnie Bartlett).

(Originally Aired: Saturday Jan 16, 1988)

A trip to Hollywood to compete on their favorite game show turns sour for the roommates.

(Originally Aired: Saturday Jan 23, 1988)

Doug and Julie share a romantic Valentine’s Day; Theresa, Nicole, Abigail, Rafe, Ciara and Ava have dreams about their romantic situations.

(Originally Aired: Friday Feb 12, 2016)

Grandparents Percy and Marilyn take the stage to talk about all of the celebrities they’ve met and to compete to win the pop culture trivia game.

(Originally Aired: Friday Feb 12, 2016)

An ex-Secret Service agent (Kevin Costner) falls for his client, an actress/singer (Whitney Houston) someone wants dead before the Academy Awards.

(Originally Aired: Wednesday Jan 01, 1992)

Two former prisoners turned muckraking journalists explore what happens when multi-billion dollar companies treat human beings as revenue streams.

(Originally Aired: Friday Feb 12, 2016)

A man (George Clooney) simultaneously struggles with the decision to pull the plug on his comatose wife while facing pressure from relatives to sell 25,000 acres of unspoiled Hawaiian land.

(Originally Aired: Saturday Jan 01, 2011)

Jennifer is a breast cancer survivor who wants to show off her curves, but Mom prefers her mounds to be covered; Jasmine’s mom has always questioned her style, but Lori suspects that’s not the only reason she’s doubting this bride’s vision.

(Originally Aired: Friday Feb 05, 2016)

Raucous returning bride Stacy is back to find another dress to reflect her motorcycle-chic style; Jessica wants a modern dress for her beach wedding but her mother-in-law is set on tradition.

(Originally Aired: Friday Feb 05, 2016)

Lori and Monte head to Nashville to help country artist Jimmy Stanley with a surprise proposal to fellow singer Kristin Kelley.

(Originally Aired: Friday Feb 12, 2016)

(Originally Aired: Friday Feb 12, 2016)

Geraldine is an administrator at an Ivy League college, but dresses like a twenty-something at a rave.

(Originally Aired: Friday Feb 12, 2016)

Clinton and Devyn help nanny Robyn, who’s online dating profile makes her look like a child, get a more mature look to find the right guy.

(Originally Aired: Friday Feb 12, 2016)

Lori and Monte head to Nashville to help country artist Jimmy Stanley with a surprise proposal to fellow singer Kristin Kelley.

(Originally Aired: Friday Feb 12, 2016)

(Originally Aired: Friday Feb 12, 2016)

When his estranged son (Joel Kinnaman) becomes a mob target, an aging hit man (Liam Neeson) must figure out where his loyalties lie and how to save his offspring from a deadly fate.

(Originally Aired: Thursday Jan 01, 2015)

Journalist Richard Engel; comic Margaret Cho; journalist Josh Green; political analyst Ana Navarro; musician Michael Render.

(Originally Aired: Friday Feb 12, 2016)

Following the refugee trail from the Syrian border to Europe; the global reaction to the terrorist attacks in Paris impacts the fight against terrorism.

(Originally Aired: Friday Feb 12, 2016)

A naive male pigeon prepares himself for motherhood; a pigeon is challenged by a New Jersey rival; one caterpillar’s metamorphosis is another’s lament.

(Originally Aired: Friday Feb 12, 2016)