An expedition of five men on four watercraft make an ambitious attempt to travel from Seattle Washington, though the Canadian inside passage, the Alaskan inside passage, into the Bering Sea and cross the Bering Strait to Russia.

After spending the night in a Canadian ghost town the team pushes north and arrives in Alaskan waters. Forced to overnight on a deserted beach the men experience incredible wildlife then retrofit their watercraft in Petersburg Alaska.

Traveling through Southeast Alaska the team experiences glaciers up close while testing all of their new gear on the Stikine River. Expedition Leader Steven Moll suffers a catastrophic breakdown and the team may have to leave their leader behind.

The expedition gets caught in a small craft advisory just below Haines Alaska with members of the team getting thrown into the frigid waters? Patrick's watercraft is replaced and the men find themselves sinking in the Gulf of Alaska.

Rescued the expedition finds itself on Afognak Island among enormous Brown Bears. The men cross the Shelikoff Straits notorious for sinking ships and end up on a deserted beach out of fuel. Steven makes an emergency call for help.

A pilot from Kodiak risks the dangerous flight to refuel the expedition and the men are forced to camp among the prime habitat of enormous Brown Bears. Dangers are amplified when the crew finds a shipwreck and the men question Steven's leadership.

After overcoming enormous odds the expedition enters the Bering Sea. With huge waves fading light fog and rain the men and their machines are hoisted onto a crab vessel to spend the night. Wesley calls it quits.

The expedition attempts a 100-mile open water crossing in the Bering Sea. Charles nears hypothermia. Fall approaches and the and the men fear they may never reach the Bering Strait.

Steven uses every resource available to get the expedition to Nome Alaska. Steven develops a high fever and the team goes to work without their leader. The men see Herds of Caribou along the shore and end up camping on the edge of the world.

It's a quiet morning as the expedition face their final day and attempt to cross the Bering Strait. The men try to get fuel from the small native village of Wales. The seas turn huge and the men face their worst fears.

The men return to the Bering Strait nine months after their first failed attempt to cross into Russian waters. Excitement builds but the weather will not cooperate so the men take refuge in the small native settlement of Wales and wait for their window.

After a successful crossing of the Bering Strait the men have been taken into custody at gunpoint by the Russian Military. The expedition is in jeopardy as the military will not let the men go and detain them for several days. Word of the teams detainment goes viral as television networks all over the world report on the incident.

The expedition has been forced to cross back across the Bering Strait to the United States and Steven tries to convince the men to re-route and head through the Northwest Passage. Tempers flare and moral sinks as the expedition gets caught in a shallow lagoon.

The men free themselves from the lagoon but Andrews attitude begins to effect the team. North bound the men push above the Arctic Circle and are forced to overnight in Kotzebue. Steven puts Andrew on notice.

The team attempt their longest day of travel yet and end up camping on a beach with huge Brown Bears. An Arctic storm traps the men at a native village on the North slope of Alaska.

In route to Barrow the team get stuck in a maze of Arctic Ice. Steven is forced to send one of the crew home while the men prepare to push into the Beaufort Sea.

Scrambling to prepare leaving Barrow the men sell the extra watercraft for additional fuel money. The team experience the worst ocean conditions in two seasons and get stranded at an abandoned DEW line site.

Completely out of fuel the team is stuck waiting for the weather to clear and a plane to resupply the expedition. The men hunt for caribou and cook fresh meat on an open fire.

Camping on the edge of Prudhoe Bay the team must face the financial realities of the expedition. Prices for fuel continue to rise as the expedition arrive at the last village in the United States, Kaktovik.

The men fear they may have to turn back unless they can find local help with getting fuel out to the Canadian border. With an Arctic storm bearing down on the village the expedition push boldly ahead into the unknown.

Steven, Patrick, and Charles take a look back at struggles the team has been through since leaving Seattle over 6000 miles ago: disgruntled crew, short on money, the Russian military, changing the expeditions route, and heading into the ice.

The expedition hauls their machines and gear up some of the roughest roads in North America. It a 3100 mile journey North through Whitehorse, Dawson Creek, the Yukon and then back above the Arctic Circle. Before getting on the water Steven reminds the crew of the dangers.

The expedition burns more fuel than anticipated and is forced to re-route. The hills along the coast begin to catch fire. Twenty-Five miles offshore the men get trapped by the Arctic ice with no way out.

Behind schedule the men push themselves to near exhaustion riding for over 350 miles in the dead of the Arctic night. The coast is riddled with caves and hidden coves. At twilight the men run upon an White Arctic Wolf.

With the coldest weather the team has run into yet they decide to overnight in a barren cove. Low on food the men resort to eating Caribou. Steven and the fuel boat leave the rest of the crew at the camp and risk a 120 mile round trip journey for supplies.

The crew depart Cambridge Bay in unsettle weather and are forced to take refuge on Jenny Lin Island. The wind changes direction and the fuel boat along with all of the Jetski come crashing onto the shore. Steven's watercraft is sinking.

An Arctic blizzard howls down on the crew. The men try to convince the local hunters and trappers to help them haul fuel North. Ice reports show an advancing ice cap. Freezing spray blanket the crew.

Freezing spray covers the men. In the black of the Arctic night Steven's watercraft sinks. The weather report looks grim. High winds almost capsize the fuel boat. The Whalers boat goes adrift.

For the first time this season the crew begin seeing Polar Bears. The weather continues to build and Steven has to make a decision on the fate of the watercraft.

Steven's watercraft continues to sink.The whaling boat captain gets a funny feeling about things.

The men must calculate if they have enough fuel and food to make it. The ocean begins to freeze right beneath the men's watercraft.

Gasoline barrels rupture, the team all hunker down on the fuel boat, the weather moves in.

For the first time ever the crew of Dangerous Waters round table the expeditions adventure this season and talk about some of the things that happened behind the scenes.

Steven and new crewmember, Scott, pull the Jet Ski 3100 miles to meet a transport ship bound for the North Atlantic. The team meets in Iceland to unexpected disappointment.

The men arrive in Iceland to find their jet ski is still in transit. Snow and Ice hamper the crew's departure. The team finds a village buried by a volcano.

New crewmember Scott gets his first taste of an angry ocean. Relentless high sea's put the entire expedition on a new course.

The expedition makes another attempt to reach the Shetland Islands on Easter Sunday. Steven struggles to keep Scott focused on the teams mission. The crew reaches Europe.

The men travel south down the coast of Denmark getting a first hand look at World War 2 bunkers. The expedition's main GPS fails miles from shore.

In Germany, cameraman Casey Bays puts Steven's patience to the test. Scott continues to show signs of discontent. News media from around the world takes interest in the expedition.

The crew arrives in Amsterdam and head into the Rhine River System. Camp is made on the banks of the river. German Police stop the team for questioning.

Traveling into the Mainz Canal system the crew must navigate through nearly 60 locks in their push to the Black Sea. Jake nearly capsizing on the stern of a huge riverboat. German hospitality continues.

The crew continues through the lock system when they are suddenly denied access by the German Police. A riverboat takes interest in the expedition and wants to help. Fuel is running out.

German Police dramatically slow the crew down. A Viking Cruise ship invites the men aboard. Things get difficult in Austria.

The crew are denied access to the Danube River in Austria and forced to look for other options. A stranger with a truck is trusted to transport the Jet Ski over the Alps to the Adriatic Sea.

Scott takes a beating in the rough waters of the Adriatic and is showing signs of wanting to call it quits. The men get blown off the waters in Croatia and tour ancient Roman Ruins. Scott is at his breaking point.

Scott quits the team and heads home. Croatian Police force the crew off the water for days. Steven disappears into the Croatian countryside with police and customs officers.

The men all receive their captain's license in Croatia and head South for Montenegro. Customer's officers try to fine the expedition. Steven fights the charges. The men are warned, don't stop in Albania.

The crew is forced to head into the country of Albania. Warnings to enter the country are not what they seem. Patrick and Steven get up close and personal with a black bear.

The crew experiences a rough ride to Athens, Greece. Home is calling as the team pushes towards the coast of Turkey. A storm off the Sahara Desert heads their way. Season 4 Finale

The crew have unfinished business in Greece and are forced to return to Kos in order to claim their gear. Steven fears their Jet Skis have disappeared into Eastern Europe. The men travel half way around the world and arrive in Mumbai, India.

India proves to be a huge culture shock! Indian Customs threatens to shut down the expedition and send the Jet Skis back to the United States. Steven travels to New Delhi hoping to get the expedition on the water.

Hope is lost. The government of India is not allowing the Jet Ski to clear customs and is suspicious of the men's intentions. With little faith, Steven fly's 1000 miles to New Delhi for face to face meetings while the expedition is preparing to return to the United States.

Steven's trip to New Delhi is successful and the expedition is able to claim their Jet Skis. Under the watchful eye of security forces the men are instructed to take their machines 150 miles out of Mumbai to launch. On the beach the crew gets a greeting they will never forget.

With Jet Ski on the beach, local police try to stop the men from departing. The men discover the coast of India different from anywhere else they've been. A horse and cart deliver fuel to the crew.

Rough ocean conditions become the new normal. Coastal Fishermen are suspicious of the expedition. The crew make an unexpected stop that changes everything. Indian government authorities flip flop.

The crew is told they are a threat to the National Security of India. In just 72 hours all members of the expedition will be arrested. A sanctuary country must be located.

The crew lay low in Thailand waiting for their Jet Ski. Steven struggles to keep the men focused. Securing their equipment, the expedition head out in the South China Sea for points unknown.

The expedition heads out into a dark ocean. Rough conditions push the men into an unknown Malaysian village. The crew is serenaded by local mosques and literally rides into trouble.

The expedition stumbles into devastation caused by a Typhon. Crew get thrown from their watercraft in rough seas. Lighting filled Monsoonal storms plague the men's progress forcing an unexpected overnight.

The crew has been chased off the water by lightening. A Monsoonal weather patern brings harsh ocean conditions as the team approach the border of Thailand. The crew get bad news from the Malaysian Border Authority

The expedition encounters brown bears on Afognak Island; The men cross the Shelikoff Straits, notorious for sinking ships; Steven calls for help when the men are stranded without fuel.

A dangerous flight to refuel the expedition; The men camp among brown bears; The crew finds a dangerous shipwreck and question Steven's leadership.

A whole new Dangerous Waters crew meets in Singapore. Preparations for departure take an unexpected turn. Steven recruits the Spikey Lady. Equatorial thunderstorms cause havoc.

The expedition moves off shore shadowed by a new fuel support boat. Mechanical mishaps cause a Jet Ski to sink. Steven's back is against the wall.

Steven is forced to send a crew member home. The expedition attempts to cross the South China Sea. Disaster strikes during a huge storm.

The expedition shrinks with only two operating watercraft and three men. Steven sends another member of his team home. The coast of Borneo is beautiful and full of danger.

Rescued the expedition finds itself on Afognak Island among enormous Brown Bears. The men cross the Shelikoff Straits, notorious for sinking ships and end up on a deserted beach out of fuel. Steven makes an emergency call for help.

Military warn the expedition of terrorist threats. The crew explores a floating village. Troy loses his passports and medications. Tensions are high.

Steven hatches a plan to get Troy into the Philippines. Customs, police, and military warn the team to avoid all marine traffic. Insurgents are active in the entire threat region. The crew head in the wrong direction.

Poor fuel quality begins causing problems. Troy is forced to leave the expedition. Steven enters a small native village looking for fuel.

Philippine locals come to the aid of the expedition. The men receive unexpected help at Noa Noa Island. Every last drop of fuel is filtered. The crew finds a remote cemetery.

The men explore sunken Japanese Navy vessels from World War 2. Poor fuel is causing havoc with the expeditions Jet Ski. Steven finds a way for the expedition to move on!

A Russian crew member is denied entry.

Steven brings Troy back.

A crew member quits the team.

The team continues along the coast.

The crew crosses the Tsugaru Strait.

The men explore Hokkaido Island.

Gleb Kraveg joins the crew.

The men arrive by cargo plane.

A thick fogbank causes the crew to miss its rendezvous with their fuel support boat. Patrick narrowly escapes injury. It's fisherman's day in Russian!

The crew travel along the remote Kamchatka Peninsula. A huge brown bear chases the men off the beach. Jet Ski are damaged being hoisted onto the Lesche.

After a rough night on the Lesche, the crew is lowered onto the water; the expedition finds a huge group of walrus feeding off the coast; fuel is running low; the team is forced to camp on a remote beach overnight.

The team is forced to camp on a remote beach overnight and attempt repairs; heavy wind becomes a concern; the expedition decides to depart Beringovsky, Russia, and head for Anadyr, Russia; things go terribly wrong.

Poor fuel continues to cause issues. The men take refuge at a native fish camp seeking help. Igor to the rescue! Steven gets thrown off his Jet Ski.

The men return to Beringovsky to make repairs to their fuel systems. Russian locals warn of poor fuel causing problems. The expedition decides to keep going!