The BEST episodes of In Search of...

Every episode of In Search of... ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of In Search of...!

Leonard Nimoy hosts this documentary television show devoted to mysterious phenomena, legends, conspiracy theories, as well as other curiosities and intrigues.

Last Updated: 9/13/2025Network: HistoryStatus: Ended

10.00

1 votes

#1 - Witchcraft / Maneaters / Ghosts

Season 7 - Episode 2 - Aired 10/11/2002

Witchcraft The Man Eaters of Tsavo The Alien Menace Ghost Hitchhikers

Watch Now:Amazon

10.00

1 votes

#2 - Werewolves / Mummies / Reincarnation

Season 7 - Episode 3 - Aired 10/18/2002

Werewolves The Curse of The Mummy D.B. Cooper Deathbed Confession Reincarnation

Watch Now:Amazon

10.00

1 votes

#3 - Hell / Vampires / Tesla

Season 7 - Episode 1 - Aired 10/4/2002

Hell Vampires The Tesla Death Ray Scandinavian Lake Monsters

Watch Now:Amazon

9.50

34 votes

#4 - Anastasia

Season 2 - Episode 13 - Aired 2/23/1978

An examination of evidence that the youngest daughter of Russia's Tsar Nicholas II Aleksandrovich Romanov survived the family executions, and settled in Charlottesville, Virginia.

Watch Now:Apple TV

9.00

1 votes

#5 - Haunted / Doomsday / Devil

Season 7 - Episode 6 - Aired 11/8/2002

Haunted Plantations The Doomsday Virus The Devil Psychic Spies

8.50

4 votes

#6 - Acupuncture

Season 5 - Episode 9 - Aired 11/15/1980

A study of the healing technique which may cure incurable diseases. Leonard Nimoy investigates the power of the ancient Chinese healing art.

8.40

5 votes

#7 - The Ten Commandments (aka Mount Sinai)

Season 4 - Episode 12 - Aired 12/13/1979

Leonard Nimoy profiles Moses and tries to pinpoint Mount Sinai's exact location. Have pilgrims to the Holy Land been praying at the wrong location?

Watch Now:Amazon

8.33

3 votes

#8 - The Lincoln Conspiracy

Season 6 - Episode 6 - Aired 10/26/1981

The Lincoln Conspiracy: Cracks "the case of the 19th century"--how the assassination of Abraham Lincoln was meticulously planned and abominably executed.

Watch Now:Apple TV

8.14

7 votes

#9 - The Great Lakes Triangle

Season 3 - Episode 8 - Aired 11/2/1978

The Great Lakes Triangle: Investigates efforts by scientists and psychics to discover the mysterious forces around the Great Lakes that have caused more air and sea disasters than the Bermuda Triangle.

Watch Now:Amazon

8.04

25 votes

#10 - Mayan Mysteries

Season 2 - Episode 4 - Aired 1/7/1978

The Mayans of Mexico carved an advanced civilization out of the jungles, then disappeared. Where did they come from? Where did they go?

Watch Now:Amazon Apple TV

8.00

2 votes

#11 - Houdini's Secrets

Season 6 - Episode 11 - Aired 11/21/1981

Houdini's Secrets: Probes the still-mysterious secrets of the world's greatest escape artist, including the theory that Houdini came back after death.

8.00

3 votes

#12 - Hiroshima Survivors

Season 6 - Episode 12 - Aired 11/23/1981

A revealing study of the wounds suffered by survivors of the first A-bomb blast, which killed more than 80,000 Japanese civilians on August 6, 1945.

Watch Now:Amazon

8.00

2 votes

#13 - Biofeedback

Season 6 - Episode 2 - Aired 9/28/1981

A revealing study of how computers are now healing the sick and building sports champions.

Watch Now:Amazon

8.00

4 votes

#14 - The Lusitania

Season 5 - Episode 23 - Aired 5/16/1981

An in-depth examination into the sinking of the British liner by a German submarine in 1915, killing over 1,000 passengers, including 114 Americans. Was it really all part of a plot to involve the U.S. in World War I?

Watch Now:Amazon

8.00

2 votes

#15 - Laugh Therapy

Season 5 - Episode 12 - Aired 12/6/1980

Can laughter combat disease? A Nobel-prize winner says he cured himself after doctors gave up hope.

8.00

7 votes

#16 - Glenn Miller

Season 4 - Episode 23 - Aired 3/7/1980

An inquiry into why the mysterious death of the great musician was never investigated, and a possible military cover-up.

8.00

6 votes

#17 - Wild Children

Season 4 - Episode 17 - Aired 1/17/1980

Several alleged historical cases are examined of children who became lost and were raised in the wild by animals.

8.00

3 votes

#18 - The Missing Heir

Season 4 - Episode 15 - Aired 1/3/1980

There is still a $3.2 million fortune that remains unclaimed after a century. To whom does it belong?

Watch Now:Amazon

8.00

7 votes

#19 - Lost Vikings

Season 3 - Episode 13 - Aired 12/28/1978

The story of Viking Erik the Red's descendants, who left Scandinavia and arrived in northern Canada centuries before Columbus.

Watch Now:Amazon

8.00

4 votes

#20 - Water Seekers (aka Dowsing)

Season 3 - Episode 4 - Aired 10/5/1978

Scientists take another look at the divining rod. Does water emit valuable signals?

8.00

6 votes

#21 - Bermuda Triangle Pirates

Season 3 - Episode 10 - Aired 12/7/1978

Explores the possibility that modern pirates involved in drug smuggling may be a factor in the disappearances of luxury yachts in the Bermuda Triangle off Florida. Scenes are dramatized involving the takeover of ships by pirates.

8.00

34 votes

#22 - Earth Visitors

Season 4 - Episode 19 - Aired 1/31/1980

Were our earliest ancestors travelers from other planets?

7.99

82 votes

#23 - The Man Who Would Not Die

Season 2 - Episode 2 - Aired 12/31/1977

The fascinating saga of the Count of Saint-Germain, who dazzled the courts of Europe for over 100 years, leading some to believe he was immortal.

Watch Now:Apple TV

7.97

31 votes

#24 - Immortality

Season 2 - Episode 15 - Aired 2/27/1978

Immortality: Looks at scientific discoveries of new methods of prolonging human life, such as cryonics, which can suspend life for centuries.

Watch Now:Amazon Apple TV

7.94

34 votes

#25 - UFO Coverups

Season 5 - Episode 1 - Aired 9/20/1980

Examines charges that the U.S. Air Force is hiding alien corpses and the remains of crashed space craft in Hangar 18 of Wright-Patterson AFB in Ohio.