UFO Hunters
Bill Birnes, Ted Acworth and Pat Uskert investigate UFO cases around the world.
Underground Alien Bases
S3 E2
Stories about a massive UFO coverup, cattle mutilations, a shootout with aliens and a secret underground base have made Dulce, N.M., a mecca for UFO enthusiasts.
The Greys Conspiracy
S3 E3
People recount their stories of encounters with grey aliens; an astrobiologist analyzes artist renditions of greys to try to determine what planets the creatures might inhabit; 900-year-old skull found in Mexico.
Underwater Alien Bases
S3 E4
Satellite images show what appear to be underwater landing strips and other strange evidence in the wake of UFO sightings in Gulf Breeze, Fla., and reports from Cuba reveal unidentified submerged objects rising from the ocean.
Nazi UFOs
S3 E5
The team travels to Germany and Poland to investigate bizarre, centuries-old alien links that might be connected to technology unleashed by Nazi Germany during World War II.
Alien Harvest
S3 E6
The team analyzes the phenomenon of cows being slaughtered in the same strange and meticulous way around the world for the past four decades.
UFO Relics
S3 E7
Investigating reports of a UFO spraying a strange blue mist in Pennsylvania; examining what are said to be UFO relics from the United States and Poland.
Underwater Area 51
S3 E8
Investigating reports of UFO and USO activity in the Bermuda Triangle vicinity of the Atlantic Undersea Test and Evaluation Center said to be used by the U.S. Navy for weapons testing and underwater research.
UFO Surveillance
S3 E9
The team investigates videos indicating a strong UFO surveillance presence at weapons laboratories.
Dark Presence
S3 E10
A growing phenomenon involves purported sightings of UFOs known as orbs, whose witnesses report experiencing odd dreams, premonitions and deep fear; the team investigates orb sightings in Arizona, Indiana and Missouri.
First Response
S3 E11
The team tries to uncover U.S. military forces' first responses to UFO encounters; investigating a claim that military helicopters pursued UFOs over Long Beach, Calif.; revisiting a suspected UFO crash site in Needles, Calif.
The Silencers
S3 E12
Reports relate instances of men in black, bent on silencing UFO researchers and witnesses to alien encounters; analyzing the only known photo of the men in black; a Utah site is rumored to be the base for a legend.
Area 52
S3 E13
UFO watchers report strange phenomena at a remote military site in Utah; bizarre beams of light; an astrophysicist charts mysterious cosmic rays.
Invasion Illinois
S2 E1
People driving home from an Ozzy Osbourne concert in Tingley Park, Ill., on Aug. 21, 2004, report seeing a large, triangular UFO with three bright red lights with more sightings happening on the following Halloween in suburban Chicago.
UFO Emergency
S2 E2
Examining how authorities react when UFO fears grip the public; residents of Michigan and Ohio make numerous 911 calls reporting UFO sightings in 1994; people in four Illinois towns report an enormous flying object in 2000.
First Contact
S2 E4
Investigators reopen a sealed well said to be the grave of an alien killed in a UFO crash reported in Texas in 1897.
The Real Roswell
S2 E5
The team investigates a report that there might have been a second "flying disk" crash at Roswell, N.M., that might finally reveal what really happened there in 1947.
Arizona Lights
S2 E6
James Fox, the filmmaker behind the UFO documentary "Out of the Blue," joins the team to investigate whether strange lights first reported in 1997 have returned to the sky over Arizona.
Lost UFO Files
S2 E7
The team examines UFO files that have laid dormant in university archives since the tragic death of physicist James McDonald, whose groundbreaking investigatory work changed the course of UFO research.
Alien Fallout
S2 E8
The team investigates claims of "alien effects" to determine whether UFOs are leaving more behind than just sightings; a family from Texas attributes their horrible physical symptoms to a 1980 UFO encounter.
UFO Storm
S2 E9
Former British Ministry of Defence investigator Nick Pope joins the team to probe a flurry of U.K. UFO sightings that erupted in June 2008.
Giant UFOs
S2 E10
The team probes some of the largest UFO sightings ever recorded; people aboard an airliner en route to London report seeing a flying disc as much as 1,000 feet long; mile-wide objects are spotted above the English Channel.
Aliens at the Airport
S2 E11
The team probes why UFOs are following aircraft and surveying airports; a strange object hovers over Chicago's O'Hare International Airport in 2006; a UFO is spotted tailing an airliner landing in Japan in 2004.
Alien Crashes
S2 E12
The team visits a California site where witnesses reported seeing a UFO crash, then military helicopters carrying away a glowing object in May 2008; the team tries to determine if the government is covering up the incident.
Area 51 Revealed
S2 E13
The team heads to Area 51, the epicenter of UFO and military conspiracy theories, to visit new vantage points, talk with former employees and search the skies above America's most top secret facility.
The UFO Before Roswell
S1 E1
An Air Force team is in a deadly plane crash after investigating a Washington state UFO sighting reported a week before an incident in 1947 Roswell, N.M.
USOs
S1 E2
The team searches the waters off Catalina Island for the wreckage of a plane whose 1990 crash was blamed on a strange undersea object.
Abductions
S1 E3
A purported alien abduction survivor undergoes surgery to have an implant removed for study by scientists trying to determine its origin and composition.
Crash and Retrieval
S1 E4
Coinciding crashes of a UFO and a civilian aircraft in 1974 Mexico and the ambush of a military convoy; 2007 reports of debris falling from the sky in Mexico.
Military vs. UFOs
S1 E5
Investigating reports of encounters between UFOs and the military; 1980 Rendlesham Forest incident in England; RAF incident in 1956.
Cops vs. UFOs
S1 E6
Police officers tell of their own, unbelievable but substantiated, encounters with UFOs.
Reverse Engineering
S1 E7
The team investigates reports that wreckage from UFO crashes has been used for reverse engineering.
Vortexes
S1 E8
Researchers investigate theories about the existence of UFO gateways in New York's Hudson Valley and the Arizona desert.
Alien Contact
S1 E9
The team finds people who tell of having contact with aliens, then works with doctors and scientists to discover what happened to them.
Invasion Texas 2008
S1 E10
The team conducts interviews and analyzes video footage shot after strange lights began appearing in the skies over Texas in December 2007.
UFO Dogfights
S1 E11
Jet fighter pilots from Peru and Iran provide accounts of encounters with UFOs.
The NASA Files
S1 E13
The team analyzes NASA footage of reported UFOs and alien presence.