The series' third season opens with a report on sightings of a bright orange fireball that crashed in Pennsylvania and was reportedly removed under military supervision; a woman's first meeting with her biological father; an arsonist's home movies.

• Wanted: Jerry Strickland & Missy Munday • Final Appeal: Michael Martin • Unexplained Death: Kurt McFall • Lost Loves: Undelivered WWII Letters

Reports include video footage of alleged UFO sightings that occured over Mexico City in 1991 during a solar eclipse; a fugitive's arrest in Cobb County, Ga.; the 1992 murder of a man who was asleep in his vehicle; and the search for a missing Rhode Island couple.

A seventh season opens with reports on the origins of the bizarre Ice Man creature, once exhibited at the 1968 Chicago Stock Fair; coincidences linking adoptees with their birth families; the probe into a biochemist's mysterious death in 1953.

A report on aphrodisiacs, including one man's claim that chocolates improved his sex life; and theories involving a reported secret government ray gun. Also: a family finds new evidence in a son's 1977 death.

A profile of a Salem, Mass., woman who uses her alleged psychic powers to help solve crimes. Other reports include the 1994 murder of a DEA agent; the story behind a New Yorker's 1991 lottery win. (Repeat) Wanted: Augustin Mendoza Wanted: Yessica Mendez Special Bulletin: Unidentified Subject

""Mysteries of the Afterlife"" are explored in reports on a man who was struck by lightning and recovered with new-found psychic powers; a woman who, according to loved ones, ""came back"" to them after her death; and members of a family who claim that their neighborhood is haunted.

Probing NASA findings of life on Mars. Other reports include an update on a 1988 construction-site fire in Kansas City, Mo.; possible foul play in the 1995 death of a Colorado man. Lost Heir: Owen Walker Lost Heir: Temperee Hawkins Wanted: Tony DeCompo (Wanted for Questioning) Update: Lost Love - Jeff Linn Update: Lost Love - Candice & Sharina Berry

Reports include the suicide of actress Margaux Hemingway, granddaughter of Ernest Hemingway; a Los Angeles man's search for his biological mother; the hunt for the killers of two Mercer College students. Lost Love: Sean Moore Wanted: Jonathan Kern Update: Wanted - Albert Leon Fletcher

A report on incidents of sleepwalking; updates on the disappearance of two young sisters, and a man's search for his siblings. Also: a woman believes that her twin sister, who supposedly died at birth, may still be alive. Missing: Lance Guevarra Missing: Jesus De La Cruz Wanted: Karen Pelletiere Missing: Susan Hurley Harrison Lost Love: Lois Cappoziello Update: Arson - Kansas City Explosion

Included: a profile of a so-called ""psychic spy"" in the Government's Stargate program; a report on cloning the dead; the search for a nanny wanted for questioning in Los Angeles. Wanted: Maria Rosa Hernandez Wanted: Melvin Luther Wilson

An Italian priest thought to have supernatural powers; the 1988 death of a Cook County sheriff's captain whose family and co-workers believe he was targeted for murder.

Reports include a woman's search for information about the 15 American flyers she aided in Czechoslovakia during World War II; the search for a missing Ft. Bragg, Cal., woman; the police manhunt surrounding a nurse's 1993 murder; an Arizona woman's reunion with her birth mother.

""Mysteries of Alien Beings"" reports on four men who say they were abducted by aliens while on a fishing trip in Maine, and includes research by psychiatrist John Mack. Also: a physicist's claim that he worked on a captured extraterrestrial spacecraft at a top-secret U.S. Air Force testing center. (Repeat)

Reports include efforts calling for the beatification of an ordained priest (born in 1904) who, some say, performed miraculous cures prior to his death in 1957. Also: evidence suggesting that Lincoln assassin John Wilkes Booth was not shot by Union soldiers, but instead lived under aliases until 1903.

Mysteries of the afterlife are explored in reports on a man who was struck by lightning and recovered with new-found psychic powers; a woman who, according to loved ones, ""came back"" to them after her death. (Repeat)

A psychic mystery involving a St. Louis woman's experience with a Ouija board, through which the works of a 17th-century writer were channeled. Also: a family's search for a Houston couple who rescued them from a car accident in 1983; the manhunt for a Delaware woman's killer.

A ninth season of stories begins as amateur researchers find similarities in the cases of the Zodiac killer and the Unabomber; and a bizarre West Virginia case involves multiple identities--and murder. Also: two Macon, Ariz., college students are brutally murdered. Wanted: Andre Gerald Wilson Wanted: William Jordan Missing: April Gregory & Kristin Smart Update: Wanted - Carl & Mary Dennie

Probing NASA findings of life on Mars. Other reports include possible foul play in the death of a Colorado man; the hunt for a woman's alleged captor; a viewer tip leading to a suspect's arrest in Jackson (Miss.). (Repeat)

The disappearance of an American sea captain and his crew from a Europe-bound ship found abandoned in the middle of the Atlantic; a viewer tip leading to the reunion of a woman and her birth mother; a woman's career as a police psychic.

Reports include evidence that a U.S. soldier, missing in action in Vietnam, may still be alive and in hiding. Also: a viewer tip that helps a woman search for the family that found her as an infant; a woman's claim that she was visited by her late father.

Segments include a profile of a self-proclaimed ""spirit channeler"" in Sao Paulo, Brazil, who attempts to spread the message of life after death in his paintings. Also: a man's war experience as a youngster in 1944; a hospital escape.

Examining several theories about who gunned down rapper Tupac Shakur in Las Vegas in September 1996. Other segments involve the search for suspects in the abduction of a 5-6ear-old girl; and the armed robbery of a woman and her grandson. Also: two women's search for a long-lost brother. Links: Video Clips of the Tupac Shakur segment / 2Pac Mansion - Unsolved Mysteries article Unexplained Death: Tupac Shakur Missing: Therese Rose Walsh

Reports include the search for suspects in a 1988 Kansas City, Mo., construction-site fire that killed six firefighters; the manhunt for a fugitive who may be hiding out in Florida or the Caribbean; an Army lieutenant's search for his double, whom he first encountered in 1994.

A new report on a 1994 prison escape and the same-day disappearance of a warden's wife; and repeat segments on three inmates who escaped from Alcatraz 33 years ago and may still be alive.