Will, Jack and the BAU team hunt for a serial killer who creates a totem pole out of his victims' bodies.
The season's running down and swampers scramble to save a precious day on the water as the worst storm since Hurricane Isaac hammers the gulf coast. One team of swampers start the day fighting the weather and end up fighting each other. Another team's day turns to disaster when a member of the group is the victim of a shocking accident. Veteran gator hunters have to come up with a Plan "B" for bait and a father and son team use their knowledge to make the storm to work for them.
Griffin gives the boys a $20,000 bonus and wants them to prove him they will spend them with responsibility.
Demons compete for ice water at Satan's bidding.
Beth Harper, an absentee wife and mother who suffers a dramatic near-death experience and is revived only to discover that she now receives messages from God. As she warms up to her powers and begins dispensing advice that is astonishingly accurate, her husband Tom is skeptical and their teenage daughter Emily is horrified. Complicating matters even more, Tom's mistress Carly shows up to confront Beth about the affair and quickly gets a shocking surprise.
Beth tries to make amends with friends she offended in the past; Tom must adjust to his wife's new ability to communicate with God.
Martin tells Kate that Charlie and Jennifer are getting back together.
Wendell befriends a lonely student from Holland, Jann. But when Jann abandons Wendell for a cooler crowd, Vinnie decides to help Wendell win him back by putting them in a situation where they're forced to spend time together.
Janet and Rachel’s friendship has been ruined. Janet attempts to stay professional, but the lack of communication between them makes things difficult. A call from MIT Command, alerting the team to Gill’s disappearance, forces Scott and Bailey to put their differences aside and work together.
Tsunamis form in the open ocean before making toward land. Science seeks not only to understand these giant waves but also predict them.
Sonya has a day from hell which sees her dumped by Ndale and hospitalising Rhiannon; Lorraine and Nikki reach a crossroads in their relationship, Steve-O tightens his grip on Connor and Kevin; and an ex-pupil makes a surprise return to Waterloo Road.
When Christy asks Zach out on a date and insists on bringing the camera crew, he excitedly wonders what her intentions are. Since making a sex tape leads to stardom these days, he needs to "brush up" on his "moves" to be ready.
On the way to Mahora Island, the gang's boat passes through fog and they believe they see a familiar shape in it. After avoiding a giant Heatmor when Pikachu's attacks do not work against it, Axew gets poisoned by a Foongus's Mushroom Spore attack, forcing the gang to take him to an old Pokémon Center which they soon discover is operating illegally.
When a call comes in from the Cook County jail, the squad steps into a volatile predicament and are tasked with trying to defuse an escalating situation. Shay remains hopeful about her baby dreams and Hermann's wife Cindy goes into labor with their fifth child. Meanwhile, Mills and Dawson face key decisions in their personal lives.
Franky teaches Bea a tough lesson; Liz struggles with old demons; Franky stirs up new feelings in Erica
The Replicator zeroes in on the BAU when the killer targets one of the team as the next victim. Also, the BAU is called in to investigate a string of deaths in Manhattan tied to apparent ecstasy overdoses, and Hotch discovers that his estranged brother, Sean, is caught in the middle.
The MythBusters burn rubber at the Indianapolis Motor Speedway testing racing myths. Can man beat machine in a 30-ft, standing-start sprint? Can a driver lose 10 lbs during a race? Can a race tire's suction rip loose a manhole cover during a street race?
The Replicator zeroes in on the BAU when the killer targets one of the team as the next victim. Also, the BAU is called in to investigate a string of deaths in Manhattan tied to apparent ecstasy overdoses, and Hotch discovers that his estranged brother, Sean, is caught in the middle.
Everyone flies down to Florida to be with Phil after his mom's passing. Claire helps Phil with Gracie's last wish for Frank, and the kids reflect on the gifts grandma left for them. Gloria has to contend with an outstanding arrest warrant in Florida, Cam finds himself fitting right into an elderly women's group at Frank's retirement community, and Jay runs into a pivotal person from his past.