People have never stopped wondering whether life exists in outer space. There is no shortage of other peoples' experiences with the extraterrestrial, not to mention actual UFO sightings. The curiosity about outer-space life has brought us many great alien movies and TV shows to watch. Do you know what are the best alien TV shows to watch on Philo? If you want to know this, please go on reading.

Space Precinct

Space Precinct is a British television series that aired from 1994 to 1995 on Sky One and later on BBC Two in Britain, and in first-run syndication in the US. Many US stations scheduled the show in late night time slots, which resulted in low ratings and ensured cancellation. The series was created by Gerry Anderson and was a mix of science fiction and police procedural that combined elements of many of Anderson's previous series such as Space: 1999, UFO, and Thunderbirds, but with an added dash of Law & Order and Dragnet. Gerry Anderson was the Executive Producer along with Tom Gutteridge. One of the series' directors was John Glen who had previously helmed various James Bond movies. Space Precinct featuring Ted Shackelford and Jerome Willis has one or more episodes streaming with subscription on Philo, streaming with subscription on fuboTV, free on Plex, and 1 other. It's a Fantasy and Science Fiction show with 24 episodes over 1 season. Space Precinct is no longer running and has no plans to air new episodes or seasons. It has an average IMDb audience rating of 6.5 (861 votes).

Expedition Unknown: Hunt for Extraterrestrials

Josh Gates sets off on the most extraordinary expedition of his career. He'll journey over 50,000 miles to four continents to tackle mankind's greatest question: Are we alone in the universe? Expedition Unknown: Hunt for Extraterrestrials featuring Josh Gates has one or more episodes streaming with subscription on Philo, streaming with subscription on Discovery+, streaming with a subscription on Destination Unknown (Via Prime Video), and 1 other. It's a documentary and drama show with 4 episodes over 1 season. Expedition Unknown: Hunt for Extraterrestrials is no longer running and has no plans to air new episodes or seasons. It has a high IMDb audience rating of 7.9 (252 votes).

Mercy Point

Mercy Point is an American science fiction series that ran from the fall of 1998 to the midsummer of 1999 on UPN. The series, set in the mid-23rd century, took place on a deep-space medical space station that catered to the medical needs of both humans and aliens, and served as a crossroads for both human and alien civilizations, as well as between the military and civilian agencies of human culture. While short-running, the series benefited from complex characters and intriguing hints at the greater universe outside of the hospital's hull. It was created by Trey Callaway, David Simkins, and Milo Frank and executive produced by Trey Callaway, Michael Katleman, Lee David Zlotoff, Peter Guber, Scott Sanders, and Joe Voci.Mercy Point featuring Rick Ravanello and Joe Morton has one or more episodes streaming with subscription on Philo, and free on Plex. It's a Drama and Science Fiction show with 7 episodes over 1 season. Mercy Point is no longer running and has no plans to air new episodes or seasons. It has a better than average IMDb audience rating of 7.4 (89 votes) and was not well received by critics.

Soap

The antics of a wealthy family, the Tates, and a working-class family, the Campbells, in the fictional town of Dunn's River, Connecticut. Soap featuring Katherine Helmond and Cathryn Damon has one or more episodes streaming with subscription on Philo, free on Tubi, free on Plex, and 1 other. It's a comedy and drama show with 95 episodes over 4 seasons. Soap is no longer running and has no plans to air new episodes or seasons. It has a high IMDb audience rating of 8.1 (6,719 votes).

The Greatest American Hero

The chronicles of teacher Ralph Hinkley's adventures after a group of aliens gives him a red suit that gives him superhuman abilities. Unfortunately, Ralph, who hates wearing the suit, immediately loses its instruction booklet, and thus has to learn how to use its powers by trial and error, often with comical results. The Greatest American Hero featuring William Katt and Robert Culp has one or more episodes streaming with subscription on Philo, streaming with subscription on Hoopla, free on Tubi, and 8 others. It's an action & adventure and comedy show with 49 episodes over 3 seasons. The Greatest American Hero is no longer running and has no plans to air new episodes or seasons. It has a better than average IMDb audience rating of 7.3 (5,402 votes).

The War of the Worlds

In Edwardian England, George and his partner Amy attempt to defy society and start a life together as they face the escalating terror of an alien invasion, fighting for their lives against an enemy beyond their comprehension. The War of the Worlds featuring Eleanor Tomlinson and Rafe Spall has one or more episodes streaming with subscription on Philo, streaming via tv everywhere with AMC, free on Tubi, and 4 others. It's a Drama and Science Fiction show with 3 episodes over 1 season. The War of the Worlds is no longer running and has no plans to air new episodes or seasons. It has a less than average IMDb audience rating of 5.1 (8,774 votes).

Star Trek: Deep Space Nine

At Deep Space Nine, a space station located next to a wormhole in the vicinity of the liberated planet of Bajor, Commander Sisko and crew welcome alien visitors, root out evildoers and solve all types of unexpected problems that come their way. Star Trek: Deep Space Nine featuring Avery Brooks and Nana Visitor has one or more episodes streaming with subscription on Netflix, streaming on Paramount+, streaming with subscription on Philo, and 7 others. It's an action & adventure and drama show with 179 episodes over 7 seasons. Star Trek: Deep Space Nine is no longer running and has no plans to air new episodes or seasons. It has a high IMDb audience rating of 8.0 (59,354 votes) and was very well received by critics.

My Favorite Martian

Newspaper reporter Tim O'Hara finds a crashed alien spaceship that contains one live alien. Not wanting to be discovered by the authorities, the Martian assumes the identity of Tim's Uncle Martin and begins to repair his spaceship so that he can return to Mars. My Favorite Martian featuring Bill Bixby and Ray Walston has one or more episodes streaming with subscription on Hulu, streaming with subscription on Philo, streaming with subscription on fuboTV, and 6 others. It's a comedy and family show with 109 episodes over 4 seasons. My Favorite Martian is no longer running and has no plans to air new episodes or seasons. It has a better than average IMDb audience rating of 7.3 (2,455 votes).

Ancient Aliens

Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age-old debate. Ancient Aliens featuring Giorgio A. Tsoukalos and Robert Clotworthy has one or more episodes streaming with subscription on Prime Video, streaming with subscription on Hulu, streaming with subscription on Philo, and 11 others. It's a documentary and thriller show with 267 episodes over 17 seasons. Ancient Aliens is still airing with no announced date for the next episode or season. It has a better than average IMDb audience rating of 7.2 (10,681 votes).

In Search Of

Inspired by the iconic 1970s’ franchise, this series examines unexplained phenomena from all over the world.In Search Of featuring Zachary Quinto has one or more episodes streaming with subscription on Philo, streaming with subscription on Hoopla, available for purchase on iTunes, and 4 others. It's an animation and documentary show with 18 episodes over 2 seasons. In Search Of is still airing with no announced date for the next episode or season. It has an average IMDb audience rating of 6.0 (464 votes).

Doctor Who

The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a living—more of a hobby actually, and the Doctor's very, very good at it. Doctor Who featuring Jodie Whittaker and Mandip Gill has one or more episodes streaming with subscription on HBO MAX, streaming with subscription on Philo, streaming with subscription on fuboTV, and 7 others. It's an action & adventure and drama show with 175 episodes over 13 seasons. Doctor Who is still airing with no announced date for the next episode or season. It has a high IMDb audience rating of 8.6 (214,533 votes).

3rd Rock from the Sun

3rd Rock from the Sun is an American sitcom that aired from 1996 to 2001 on NBC. The show is about four extraterrestrials who are on an expedition to Earth, which they consider to be a very insignificant planet. The extraterrestrials pose as a human family in order to observe the behavior of human beings.3rd Rock from the Sun featuring John Lithgow and Kristen Johnston has one or more episodes streaming with subscription on Philo, streaming with subscription on fuboTV, streaming with subscription on Hoopla, and 11 others. It's a comedy and family show with 139 episodes over 6 seasons. 3rd Rock from the Sun is no longer running and has no plans to air new episodes or seasons. It has a high IMDb audience rating of 7.7 (50,850 votes).