The team investigates unusual murders in Los Angeles, and more information about Prentiss' past arises.
Claire and Phil decide to reprise their role-playing adventure from last year's Valentine's Day. Meanwhile, Jay's surprise plans for Gloria keeps getting interrupted, and a secret admirer comes between Cameron and Mitchell.
Neil Oliver travels back to ice age Britain as he begins the epic story of the evolution of the land and its occupants over thousands of years of ancient history. In this episode he describes a struggle for survival in a brutal world of climate change and environmental catastrophe.
Alastair Sooke looks at British medieval sculpture and shows how it casts a new light on an era more sophisticated, fun-loving and maverick than is commonly believed.
Maureen is obsessed with her make-up; Barbara prefers the company of those who have passed on.
Over the past four years, Josh has consumed more than 100 glasses and 250 light bulbs. As if ingesting glass wasn't dangerous enough, Josh also swallows live bullets. Candice struggles with her addiction to skin bleach to lighten her skin. Discrimination at school and teasing from friends has her convinced she is ugly.
Sarah and Adam discuss a situation with Haddie. Meanwhile, Haddie, Amber and Max run into Alex. Crosby and Jasmine meet with her reverend for pre-marital counseling. Elsewhere, Drew meets his father, Seth, for breakfast.
The NCIS team undergoes mandatory psych evaluations while investigating the death of a Naval Commander.
Jimmy hasn't had any time to socialize or make friends since Hope was born, so when he meets another single dad at the grocery store, he immediately sets up a play date. But when Jimmy finds out that Virginia is his new friend's housekeeper, Virginia insists that Jimmy cancel the outing. In an effort to keep the peace, Jimmy and his friend arrange a dinner at the Chance house.
It is Axl Johnson's 21st birthday - which explains the fire in the sky; the Waitemata Harbour being the colour of blood; the various women who seem to want to kill him; and the sudden need for a family ceremony in a forest.
Brooke, Quinn and Haley decide to use their talents for the greater good. Meanwhile, Julian takes on a directing job and helps out a friend, and Chase mentors Chuck.
Tensions rise as Leona discovers missing funds from the Band's account while dealing with the complications of hiring a white substitute teacher.
After a friend is attacked, Stephanie tells Jim that she wants to join forces with him to help catch the perp. But when Jim informs Stephanie that he's built for crime fighting - and she's not - the competition is on to see which one of them can solve the case first. Meanwhile, Daphne feels like Jim is invoking a double standard when he allows JJ to date a senior but won't let her do the same, and Katie learns some disturbing news about Joshua - aka The Watcher.
Neal is suspicious when an old friend of June's husband is released from jail and shows up for a visit.
Mimi seems to be suffering with insomnia, however her condition deteriorates when she believes that she may have dementia.
Catch never-before-seen footage of the most talked about Housewives in 90210.
Derwin puts his relationship at risk for the sake of spending time with his son and Tasha has money/love problems with Dante.
Anna uses her newest gift to mankind, "Concordia," as a cover to hide an invading fleet of breeding vessels that will be used to ensure the perpetuation of Visitors for future generations. Meanwhile, Eli Cohn (guest star Oded Fehr) tries to convince Erica and the Fifth Column that the "Concordia" gala is the perfect time to assassinate Anna.
With their blended family of three children, Julie and Peter are hoping to find a sprawling four-bedroom home where they can put down roots. They’ve got a long wish list and a limited budget, and since their current rental has already been sold, they’ve got just two months to find – and move into – the home of their dreams. Enter Property Brothers Drew Scott and Jonathan Scott. They promise to help Julie and Peter find a home that suits their needs, but first they have to convince them that in a red-hot real estate market, a fixer-upper is the way to go. Getting the couple to see the potential of a run-down home proves to be a challenge. And when they finally zero in on an unusual property that’s perfectly priced, they find themselves in a bidding war.
While working a celebrity murder, Lydia discovers the pros and cons of being in the spotlight. Meanwhile, six weeks after Nate's murder, Sammy finally returns to street patrol. Elsewhere, John voices his anger over the department's waste of money, man-power, and hours spent guarding the home of a celebrity suspected of murdering his estranged wife from the reporters trying to get a scoop.