Tess acquires a Kryptonian box that once belonged to Lionel Luthor. When Clark accidentally activates the box, he’s transported to a parallel universe where Lionel found Clark in the cornfields instead of the Kents. In this universe, Clark Luthor is a murderer and Lois is engaged to Oliver and both of them hate Clark. Clark must be careful not to tip off Lionel that he’s not his son while trying to figure out how to get back to Earth where the monster Clark Luthor was transported in his place.
Dan is investigated by an arrogant Internal Affairs agent with a personal axe to grind. Meanwhile, Julius is hunted down by the guys he snitched on thanks to the IA agent letting them go.
Danny investigates when a doorman at a nightclub is murdered; Frank makes a decision about a former partner's future.
Elena decides to take matters into her own hands and offers a tempting incentive to Rose for her help. When things take an unexpected turn, however, Rose calls on Damon to deal with the plan Elena has set in motion. Jeremy’s reckless attempt to help Bonnie retrieve the moonstone lands him in a life-threatening position and forces Stefan to put himself in danger. Bonnie and Luka form a closer connection. Tyler shows Caroline the Lockwood cellar, where she makes a discovery that leaves them both terrified.
Todd finds a place to watch the Kansas City Chiefs game, but an upset stomach causes him to miss the game and get homesick. Rajiv takes advantage of Todd's absence to make drastic changes in the office.
Peter struggles to cope with recent events; Olivia searches for an ally; a device that communicates between universes is discovered...
When Nate gets in over his head tracking down a stolen car filled with a drug kingpin's merchandise, Michael brings back an old alias to save his brother's life.
After reading an article about China growing as a global power, Michael decides China must be stopped before they take over the US. Everyone in the office complains about Dwight's building standards and Pam threatens to move Dunder Mifflin to a new building.
En route to Atlantic City for a charity event, Mac, Frank and Dee get lost. Meanwhile, Dennis and Charlie hitch a ride to town.
Booth and Brennan’s next case leads them to a crime scene where a human carcass has literally melted into the dashboard of a charred truck. As the team investigates the case, they discover a gunshot wound in the victim, but learn that neither the fire nor the bullet was the cause of the victim’s death. Additional clues lead them to a local high school where the victim’s wife is a teacher. As a student-teacher relationship begins to surface and a pattern takes shape in the lab, the team is able to track down the murder weapon and solve the crime. Meanwhile, Sweets resists the temptation of allowing his feelings for Daisy to interfere with helping her pass a government psychological evaluation, and Hannah attempts to break the ice and warm up to Booth’s son Parker.
Ash and company encounter a Dweeble who has his shell stolen from him by other Dweeble. They aide him reclaiming his home.
Jack recommends that Liz start seeing a therapist when she worries that Carol is getting bored with their relationship. In an attempt to take Jack's advice, Liz begins talking to Kenneth about her problems. Jack also finds himself caught up in one of Tracy's schemes when Tracy tries to convince him to invest in his son's theme restaurant in Times Square. Meanwhile, Jenna and Paul celebrate their six month anniversary.
Cooper is outraged when he gets bad news about Charlotte's sexual assault case.
Super-heated death rays... High-tech rockets... Powerful sonic weapons... Are these examples of modern day science or could these technologies have originated thousands of years ago? Is it possible that early man possessed scientific knowledge far beyond that of our own century? Ancient texts, folklore and art suggest humans witnessed disc-shaped flying machines and fire-spewing chariots. Could these be accounts of flying saucers and rocket ships? And if so, was advanced technology left here by visitors from the stars? Did mankind's quest to unlock the secrets of levitation, anti-gravity and laser technology merely spring from our imaginations or did these ideas come from otherworldly beings?
Owen leaks secret information from Division’s black boxes to the media, revealing that the U.S. Government was responsible for an assassination in Chile. As a result, Percy frames a C.I.A. agent, Ryan for the crime. Nikita and Owen go to Chile to rescue Ryan from mercenaries and in doing so end up getting captured. Nikita reveals the secrets of Division to Ryan in an effort to save all of their lives. Back inside Division, Alex spies on Percy and Birkhoff and witnesses a side to Percy she has never seen before.
The groms believe that Broseph has become psychic and developed the ability to predict the location and size of waves, not knowing that one of Mr. Grizzle's hearing aids has become lodged in Broseph's afro. Meanwhile, Reef is out-surfed by two of his students – little boys.
Lisa VanderPump plays matchmaker and Taylor Armstrong questions her marriage.