Pete and Myka are sent to investigate a town where the inhabitants' minds are being altered making them act as they please. Meanwhile, Artie is confused by the energy flows going on in the warehouse.
Russell shows his volatile side before the power of veto competition. Jeff and Laura desperately need to stay in the house.
Nancy learns the identity of the other woman in Esteban's life, as well as his plans for her childbirth delivery. With the help of Andy and Audra, Nancy takes matters into her own hands. Meanwhile, Celia discovers that getting rich quick isn't always so easy. Silas and Doug learn the hard way that Deputy C.P. Jones is more trouble than he's worth as the fate of their medical marijuana dispensary is jeopardized.
15 year old Amy ends up pregnant after one night at band camp, throwing her whole life upside down. It doesn't help that she's now going to school with that guy.
A man is admitted with a steak knife sticking out of his chest. Eddie gives Jackie a Cartier bracelet for their one-year anniversary, but she rejects the gift. A baby is left in the nurses’ station and Akalitus takes the infant to her office.
Steven faces sexual harassment charges and Max sets out to impress Alyson after he concludes that she, not Roger, holds the real power.
A high-profile shoot-out has left two policemen and a teenage boy dead leads to numerous mysteries spinning around the case. Enter Force Investigation Division bigwig Sharon Raydor, who upends Brenda's investigation with her merciless snooping.
A thrilling rescue becomes a tragic mystery when a healthy young tourist dies suddenly on board Hammersley. Bomber and RO fight for their lives when an armed gang tries to seize control of Hammersley. Nicki receives a death threat while investigating ET's diving accident.
Buffer gets a lesson in tough love from a sexy training officer. Hammersley is stranded in a deadly mine-field, after being attacked by heavy armed smugglers. Charge goes to extreme lengths to earn the respect of his estranged son and the crew are involved in a sailor's worst nightmare - fire at sea.
After alien spores infect John Jameson -- increasing his size, strength and mass -- his dad persuades him to become a superhero to capture Spider-Man.
Plankton's latest scheme sees him invent a gas that causes people to turn into babies. Plankton hijacks the Krusty Krab and turns all the customers into babies. Plankton then gets the secret formula, but SpongeBob accidentally overpowers the gas canister by bashing it, causing it to explode. The gas turns Plankton into a microscopic baby.
An 1861 Civil War saber finds its way into the shop - but if it's real, why was the blade never sharpened? Then Rick and the owner of a Chuck Berry autographed Fender guitar find themselves on different pages when it comes to bartering over this item. Finally, the Pawn Stars appraise a "1916 National Cash Register." It looks real, but will they pull out the money from their 2009 cash register?
Rick considers buying an 18th Century cannon that could be worth up to $40,000. But, before he makes an offer, he'll need to verify that it's the real deal by test firing it first. Then, a local woodworker needs cash to keep his business afloat and looks to pawn his 1.5 ton table saw. The Pawn Stars might lose the deal if they can't figure out a way to move it back to the pawn shop. Finally, a guy trying to sell his replica Roman armor strikes out with Corey but gets a second chance as Chumlee tries to negotiate what could be his first and last deal at the shop.
Plankton explores SpongeBob's brain, in an attempt to steal the formula.
Mary lends her expertise for the U.S. Marshalls by making a training video with a film crew. Elsewhere, Marshall prepares the arrangements so that an elderly mobster in Witsec can go to his son's funeral.
Pearl goes through her growth spout, and Mr. Krabs needs to find a way to feed her.