Watch

Ancient Aliens

Season 21, episode 6. Keep your place, move between servers, and stay ready for the next episode.

1 servers readyS21 E6

Currently watching

S21 E6

The Top Ten Mysterious Mountains

Ancient Aliens is counting down ten mysterious mountains that are notorious for otherworldly phenomena. From a summit in Sri Lanka that is said to be a portal to other worlds, a volcano in Washington that was at the center of a famous UFO sighting and a mesa in New Mexico believed to contain an alien base. Could these strange peaks provide evidence of extraterrestrial contact?

SeasonPrevious episode Next episode

Playback servers

Switch servers without leaving the watch page

Choose the playback path that works best for you, and if one stalls, Subflix will try the next available option.

Now playing

Watching via MoviesAPI

Strong fallback server when you want a second path ready without leaving the page.

Ready to watch

If the provider's own fullscreen button throws an error, use Subflix fullscreen or open the player in its own tab.

Playback mode

Playback continues in a dedicated viewer designed to keep the watch experience simple and steady.

Backup serverEpisode routing

Checking server responsiveness

Cast And Share

Open the player on the device you want to cast from

These providers run inside an external iframe, so the most reliable casting flow is to open the player in its own tab and use your browser or device cast controls there.

Open Player

AirPlay, Chromecast, and browser tab casting work best after opening the provider directly

Open player

Preparing your player

MoviesAPI is loading in the watch shell. If it takes too long, Subflix will offer another server.

Watch state