The final four must crawl through a tunnel, dodge barbed wire, and slither through mud with an AK-47. With the title of Top Shot All-Stars at stake, various weapons from the season test the speed and precision of the last two competitors in this fast-paced showdown.

A returning challenge receives a daring makeover, literally throwing contestants for a loop. The spin of a wheel determines their bodies' angle as they aim with the Rutgers Security Six Revolver. But two veteran marksmen do not deliver, sending them to the elimination round where they must cleanly fire a bullet through a narrow tube. Failing to shoot on the straight and narrow will unseat one and preserve his opponent for another day.

Shotgun skills are tested with a head-to-head speed shooting challenge. Leaders emerge and tension escalates on both teams. And it's an elimination challenge unlike any before, featuring an elaborate machine, a Glock 34, and a line of non-stop cannonballs.

The Final Four marksmen set their sights on the $100,000 prize and the title of Top Shot. In a series of intense challenges, one shooter attempts an unprecedented shot with the AK-47, and contestants are eliminated one by one until there are only two left standing. The final challenge pushes two marksmen to their limits and a new champion is crowned.

Long-range sniper shots are a Top Shot staple, but a challenge of this magnitude has yet to be seen. Marksmen are put to the test with the Barrett M-Rad. But the wind sends their bullets astray and two flunk out, forced to face elimination. Credited with killing off the Wooly Mammoth, the prehistoric Atlatl will lead one competitor's future to extinction.

Split into squads of three, the nine remaining competitors face the most extreme and exciting trick shots of seasons past. Their talents are put to the test as they open capped bottles, blow cotton swabs to bits, and knock soda cans out of the air. Transported to the battlefields of yore, two players on the verge of elimination must successfully man Hotchkiss Cannons or be sent home.

A world famous pistol champion teaches teams some extremely difficult trick shots including shooting while blindfolded. The Blue Team is in disarray after a team member vows to go it alone. The elimination challenge features the classic cowboy skill of shooting from the hip.

For the first time in Top Shot history, trick shots will determine who stays and who goes. Reminiscent of a Wild West Show, three teams of five perform the Annie Oakley shot; knock back bowling pins, and shoot pipes out of mannequins' mouths. Showy shots challenge two marksmen sent to elimination, where only one will progress while the other is sent packing.

Fourteen remaining marksmen face an old challenge with a new twist. Players must pick a rival to shoot against in a head to head, high-speed showdown featuring the Sig Sauer P229. However, when two buddies head to the elimination round, friendships are put to the test. Nothing short of perfection will allow them to edge out their competition and guarantee their futures.

In the most daunting challenge to date, marksmen are strapped to a mechanical arm and sent soaring with the SP89. While rotating in a large circle they must shoot out a series of targets or face elimination. Two competitors zoom down a zip line course, putting their recoil management and rapid transitioning skills to the test.

In a blast from the past, marksmen fire the Browning M1919 from a rolling Army Half-track. Competitors call the shots in a game of horse, where one all-star fails to keep pace and is sent packing.

The final four contestants compete to determine the winner of the $100,000 prize.

The legendary Gatling gun is introduced. But first the competition travels back to the Old West for a team challenge with a historic pistol. To stay in the competition two marksmen shoot it out with a firearm considered by many to be the world's first practical machine gun.

Contestants must master the Recurve Bow and nail a target by skipping an arrow off a ramp. One team goes to the brink of self-destructing when two teammates almost come to blows during a dispute of a previous elimination decision.

Competition speeds up when marksmen fire one of the fastest shooting handguns on the market. The vote at the nomination range provokes a drastic reaction from one of the shooters and a shocking turn of events leaves competitors stunned.

In a challenge best suited for a British battlefield in the Middle Ages, contestants test their skills with the Black Widow Long Bow. But as they fire arrows toward targets set up like ski-ball, the marksmen realize the challenge is more than they bargained for. Two confront the prospect of elimination and must adapt to the revolutionary Gatling Gun to stay in the game.

The fate of twelve rests on a roll of the dice. The competitors break into squads for a fierce side-by-side shoot out with the 1875 Remington Pistol. But fortune doesn't favor two, who must fire against the clock with the Ruger 1022 Rifle in an old-fashioned shooting gallery challenge. One will fall short and one will continue on to battle it out for the ultimate prize.

With the half the competition eliminated, the remaining eight marksmen continue to vie for the top spot. In a season first, competitors blast clay birds mid flight with Benelli Shotguns. In the elimination challenge, the cross bow pits two competitors against each other. But this season there's an All Star twist and contestants have to put up or be shut down–permanently.

The five remaining marksmen face one of the most difficult challenges in Top Shot history. Shooters will use the powerful and compact SP89 semi automatic pistol while moving through the air upside down. With the last spot in the final four up for grabs, one competitor amazes the group with a stunning performance at the elimination challenge.

Using unfamiliar rifles/weapons of different eras, 16 sharpshooters compete in an obstacle course; two participants compete in a long-distance sniper challenge, with the loser to go home.

The Season Three premiere begins with a shoot off between pairs of contestants using what many consider the most powerful hand gun in history. The winners will form one team and the losers the other. The first team challenge is a race where each team must carry a pole weighing over 200 pounds between eight foot tall firing platforms. The elimination challenge is inspired by the stagecoaches of the Old West. Skilled sharp shooters armed with shotguns and rifles were recruited to ride atop the coaches and protect their cargo. Hence the term "Riding Shotgun." The two contestants competing to stay on the show have to master the extremely difficult skill of shooting while bouncing up and down in a stagecoach with the loser being sent home. Colby Donaldson hosts.

Contestants compete with throwing knives and slingshots; in addition to the elimination challenge, another contestant suddenly goes home.

The individual stage of the competition kicks off with the highly accurate McMillan TAC-50 Sniper Rifle. Taking aim at targets 500 yards downrange, one marksman has a meltdown and struggles to complete the individual challenge. In the elimination, it's all on the line for two competitors as they duke it out with a notorious WWII handgun.

The teams dissolve, as everyone competes for him or herself, and three people are ultimately sent home; In the first of two surprise challenges, everyone has to shoot a lit fuse sending the shortest fuse home.

Teams get down and dirty with one of the most influential firearms, the legendary AK-47. They face an extreme obstacle course with mud pits, barbed wire and exploding mortars. The Blue Team employs unusual, divisive training methods and the Red Team remains unimpressed. In the elimination challenge, two shooters face a friend or foe challenge with a military and police pistol.