One morning in the city, a breakfast mishap leads to a mess of food all over the floor of the apartment. The Man leaves George to clean it up before ants come into the apartment because "Once ants come into an apartment you can never get rid of them." Sure, enough, George finds one ant, then two, then an entire army, and Hundley's quest for a clean hallway leads him into George's apartment. Now George and Hundley have to work together to find how to get rid of the ants without hurting them and stop more ants from coming. Turns out, they discover that ants are scavngers-they will constantly move to find food, no matter where it is.
Haley seeks help from Lucas as Nathan (James Lafferty) makes an escape attempt. Brooke comes face-to-face with Xavier. Juliain uncovers evidence that assists Dan in his search for Nathan. Clay makes a connection with another patient.
Frank has a fight over a baby carriage but makes a deal to exit his real estate investment; Frank's enemies get an unexpected lead on his location.
The kids have a meeting with Frankie and Mike about their parenting techniques, and they are thrown for a loop, when their parents attempt to change.
This week, aliens are the artists' focus and guest judge Star Trek Next Generation's LeVar Burton helps out.
The BAU team investigates a series of brutal home invasions and murders in California's Inland Empire that appear to be gang-related, but their investigation may uncover a more sinister motivation.
It's a day of disturbing realizations when Mitchell manages to ruin one of Jay's proudest golf moments, Phil overhears something that may forever change how he sees his little girl, and Gloria stumbles upon Claire's dangerous little secret.
As Boyd fights for control of the Harlan oxy trade, Raylan works to keep the battle from becoming an all-out war while also battling a personal issue.
The team searches for new evidence to prove Kensi Blye’s innocence after she is taken into custody as the lead suspect in a murder investigation involving her deceased father’s sniper unit.
Neal joins the crew of a wealthy Yankees fan, tasked with stealing memorabilia from Yankee Stadium.
Luther, President Obama's anger translator, reminds everyone who killed Osama bin Laden.
Jimmy and Sabrina continue building their relationship by learning more about their strange habits and childhood fears. Meanwhile, Virginia learns more about a habit Burt has been hiding from her for years.
The Donovan Decker crew is under pressure to come up with the perfect wedding dress for socialite Charlotte Whitmore after her rejection of the original dress. With all hands on deck pulling an all nighter and Jeremy’s job on the line, tensions are high in the office. Wanting to impress Jeremy and save-the-day, India takes credit for Jane’s wedding dress design. But with the design holding special meaning to Jane, she isn’t going to let the betrayal go idly by. Can Jane prove that the design is hers, and better yet – will Donovan Decker be able to pull off the perfect wedding dress? Meanwhile, Jane sets up a night out with Billy and Nick so the two guys can get to know each other better.
When Jess tries to intervene with a classroom bully she finds herself the target of the bad seed student. Schmidt, meanwhile, is thrilled over his post-Valentine's sexcapades, but hates that his paramour wants to keep it a secret; and Nick goes into a tailspin when Julia sends him a cactus.
Gibbs clashes with Dr. Samantha Ryan (guest star Jamie Lee Curtis) over the truth behind a navy reservist's possible suicide
Andy takes Kip on a wild adventure to see chinstrap penguins in the Antarctic. Andy dives through the icy water so he can join the penguins on a fishing trip. Then he follows them up the steep cliffs to see the penguins deliver fish to their hungry chicks.
A Leaf Cutter Ant Soldier takes on a Speckled House Spider and a Costa Rican Cellar Spider tackles a Geophilid Centipede. A Tiger Jumping Spider fights a Yellow Rainforest Jumping Spider, and a Conehead Katydid meets an Orange-mouth Tarantula. Then, Dinosaur Ants battle a platoon of Trap Jaw Ants.
When Mike's younger brother and father visit, a sibling rivalry ensues; Eve, Mandy and Kristin try to help Bud find a girlfriend.