The lives of Jake and Hawkins are explored during this flashback episode. This episode begins 36 hours before the bombs went off. Sarah is introduced and is associated to Hawkins….

Jake, his dad, Heather and Dale visit Black Jack to try and find the parts needed to fix the windmill. Sarah goes home with Hawkins against the rest of his…

While on a hunting trip outside of Jericho, Jake, Stanley and Mimi find themselves in a dangerous situation when they run into some strangers. Meanwhile, Hawkins realizes that his family…

After a company of Marines show up, the town of Jericho has hopes that life will finally start to return to normal. However, their behavior raises Jake’s and Johnston’s suspicions.

Jake and Eric head out of Jericho to the nearby town of Rogue River to try and acquire some medicine for their father. While the brothers are at the hospital…

The residents of Jericho receive a visit from a group of questionable outsiders and they realize that they need to form a plan to keep the outsiders out. Emily has…

Supplies are dropped by air into Jericho and the Green’s and Hawkins think that they know where they came from. Jonah Prowse returns to Jericho causing even more trouble.

Some of the residents of Jericho are concerned that Gray’s actions may actually make Gray the new mayor. In other news, Mitchell claims that Jonah is the killer under much…

Jake finds a stranger who is sick with radiation poisoning and he must make a decision whether or not to help him. The hospital’s generator is running out of gas…

The children of Jericho start to return back to school. A power line that has fallen causes an accident on the playground when the power returns. Jake has an argument…

Hawkins must step in when an argument between Jake and an adversary becomes heated. After an electromagnetic pulse leaves Jericho in the dark crime runs rampant. Later, Jake is held…

The slick gang leader Jonah bails Mitchell out of jail and agrees to give back the food that his bandits stole and agrees to keep out of Jericho. This plan…

After a nuclear disaster caused by several terrorist attacks wipes out most of North America, residents of a small Kansas town have to come to terms with a very different…

The fallout from the nuclear blast in Denver will hit Jericho in an hour and Jake has to get the residents inside. The official shelter is not adequate and Jake…

After seeing a broadcast via satellite from Asia, Jake gathers a group of people together for information gathering. After finding out that there is information out there, Jake suggests having…

The crew of Sealab ventures into the frozen Arctic to rescue two scientists who have been trapped by a blizzard while on a scientific expedition.

Hal, Ed, and Gail plunge to the lowest depths of the ocean in a special crystal bell to plant a second seismographic signaling device after the first one mysteriously disappears.

An archaeologist enlists the aid of Hal, Ed, and Gail in removing ancient Mayan gold artifacts buried in the hold of a vessel sunk during WWI.

Human complications make dealing with the mechanical ones more difficult when cargo sub “Aquarius” crashes into Seamount and endangers the Sealab complex.

Although the Sealab crew doesn’t like helping Mr. Harlan trap two animals from every species on the Seamount for a new aquarium, they carry out the task because of orders.

The entire Sealab complex is threatened by an increasing buildup of aggressive sharks in the area.

When a space probe loses its parachute during reentry and plummets out of sight into the ocean’s depths, the staff of Sealab is called on to locate it.

Ed, Gail, and Hal become “muckrakers” when ocean waters around Sealab become blanketed with layers of loosened silt

Ed considers resigning from Sealab after Dr. Williams grants permission to a submarine geologist to use explosives on Seamount for the purpose of oil exploration.

A red alert is signaled after a supply ship’s concrete mooring, cast off during a hurricane, unwittingly strikes Sealab’s control dome and splits a major section of the shell.

A new world opens up for Roger Cummings, a disabled boy whose father is doing research at Sealab, when Bobby befriends him and teaches him how to dive.

An earthquake spells danger for Sealab when the recurring mass of shock waves ruptures exposed canisters of radioactive waste.

An approaching red tide has more than the fish in a panic – the murky oceanic flux, which initiates a process of oxygen depleting, could cut off the life support…