Atlantis is shocked by the sudden death of Major Lorne and his team. They are found burned in a village where they escorted Dr. Lindsay, who in turn was educating the vil ...

Teyla and Sheppard discover a combination of two very powerful hurricanes approaching Atlantis. Since the city isn't submerged anymore and the shield isn't working, this ...

Food supplies on Atlantis are dwindling and the team visit the Genii. Teyla has traded with this primitive culture before, but their chief Cowen seems reluctant to trade ...

Government hearings, incalculable actions and the golden spike breed new beginnings and endings for those left standing. ...

The race to Ogden is coming to an end but when Cullen find out that the workers are missing it seems impossible to finish first. ...

Durant's plot to ransom himself takes an unexpected turn when Campbell arrives in town with the Cavalry to coordinate a rescue operation. ...

Cullen's nitroglycerin experiment provides an explosive backdrop for the railroad life in Truckee. Durant's plan turns deadly. ...

Cullen faces life-changing decisions in Utah as Truckee adapts to life without him. ...

Cullen and Durant discuss with President Grant what will be the future of the railroad; The Swede goes ahead with his plan against the Mormons. ...

Cullen and Mei take a dangerous journey through the California wilderness, escorting precious cargo. Eva nurses Louise back to health. ...

Unexpected violence strikes during the festival of Tin Hau Don in Chinatown. Cullen confronts The Swede. Durant involves Maggie in his latest scheme. ...

In the wake of the violence, Cullen solves a Chinese labor strike; Mickey is pulled deeper into Union Pacific Business. ...

Cullen finds a route through the mountains to Ogden, Utah. ...

As the railroad prepares to leave Cheyenne behind after Sherman Peak; Cullen returns to Fort Smith to get his family. ...

Ruth is determined that her fate is sealed. Her trial gives her two possible outs, both of which she dismissed. Cullen provides his accurate detail as police officer, det ...

Cullen and Durant work together to save the life of a criminal; Louise supports Ruth as she copes with a loss. ...

Cullen, Durant and Campbell come together in order to discuss a means by which to provide protection to the citizens of Cheyenne. They must return a sense of well-being t ...

Cullen attempts to make a stand to free Durant and the rest of the prisoners after Campbell decides to transport them back east. The only thing standing in his way is Sno ...

Naomi's unrest forces Cullen to take her and William back to the Mormon settlement at Ft. Smith. Campbell deputizes several undesirables in response to the deaths of his ...

Durant seeks revenge for his attack. Bear Killer (Elam) returns to Cheyenne trying to sell the female slaves he has. Due to Campbells presence, Cullen and Eva attempt to ...

The arrival of a dangerous stranger stirs up old feelings in Cullen and puts his family at risk. The Swede faces consequences at Fort Smith. ...

Cullen attempts to find a way for the railroad to pass over the mountains for Durant. As a Mormon, Naomi has her own struggles settling into Cheyenne. Brother Hatch conti ...

Cullen returns to Cheyenne. After being considered dead his return is a shock for many. Bohannan meets a few old friends and makes new enemies whilst trying to get his ol ...

Cullen challenges The Swede as he plans his exit from Fort Smith. A new adversary arrives and makes his presence felt in Cheyenne. ...

Cullen awaits the birth of his baby, laboring under The Swede's thumb at Fort Smith. Durant deals with the fallout from a railroad accident. ...

Cullen deals with consequences; Elam mounts a rescue attempt; Durant receives the U.P. board ahead of the deadline. ...

With General Grant's deadline only two days away, a gang of riders attacks Cheyenne while Cullen and Elam pay Durant a visit. ...

Cullen seeks help from Durant in winning his workers back from the Mormons; Sean and Mickey are haunted by their past. ...

A cholera epidemic breaks; Cullen must locate fresh water before his employees perish; Durant faces political fallout. ...

Durant files an injunction against Union Pacific, threatening Cullen's position; Elam deals with a dangerous newcomer. ...

Cullen helps Elam track down a dangerous criminal; the town prepares to move down the tracks. ...

Cullen and Elam try to secure a new lumber source following a railroad accident; Durant tells Louise a secret about Cullen. ...