Killers of the Cosmos

TV series · United States

Killers of the Cosmos

2021Documentary

★ 8 / 10 TMDb rating · 1 vote

United States

Where can you watch Killers of the Cosmos?

Last checked: Sep 27, 2026, 12:25 AM UTC

Watch Killers of the Cosmos (2021) in United States: compare confirmed streaming providers and available ways to watch.

At the last check: Killers of the Cosmos is available with a subscription to Discovery+ and HBO Max in United States. You can buy Killers of the Cosmos digitally from Apple TV. Paid add-on channels also offer this title: The Roku Channel + discovery+, The Roku Channel + HBO Max, and Hulu + HBO Max. They are not automatically included in a base subscription.

Outdated information — check with the provider.

Discovery+

Subscription

Series offer
SubscriptionAvailable through Dec 31, 2029
Go to provider

The Roku Channel

Add-on subscription · discovery+

HDSeries offerAudio: EnglishSubtitles: English
Add-on subscription
Go to provider

The Roku Channel

Free

HDSeries offerAudio: EnglishSubtitles: English
Free
Go to provider

The Roku Channel

Add-on subscription · HBO Max

HDSeries offerAudio: EnglishSubtitles: English
Add-on subscription
Go to provider

HBO Max

Subscription

Series offerAudio: EnglishSubtitles: English
SubscriptionAvailable through Jan 21, 2031
Go to provider

Hulu

Add-on subscription · HBO Max

HDSeries offerAudio: EnglishSubtitles: English
Add-on subscriptionAvailable through Jan 21, 2031
Go to provider

Check picture and language options with the provider. Comparison within the same offer type, quality, currency and unit. Opens the provider website.

Seasons

A series offer does not confirm every season or episode.

Season 1+

The Roku Channel

Add-on subscription · discovery+

HDSeason 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

The Roku Channel

Add-on subscription · HBO Max

HDSeason 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

HBO Max

Subscription

Season 1Audio: EnglishSubtitles: English
SubscriptionAvailable through Jan 21, 2031
Go to provider

The Roku Channel

Free

HDSeason 1Audio: EnglishSubtitles: English
Free
Go to provider

Hulu

Add-on subscription · HBO Max

HDSeason 1Audio: EnglishSubtitles: English
Add-on subscriptionAvailable through Jan 21, 2031
Go to provider

Discovery+

Subscription

Season 1
SubscriptionAvailable through Dec 31, 2029
Go to provider

The Roku Channel

Add-on subscription · discovery+

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

Discovery+

Subscription

Episode 1
SubscriptionAvailable through Dec 31, 2029
Go to provider

Hulu

Add-on subscription · HBO Max

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscriptionAvailable through Jan 21, 2031
Go to provider

HBO Max

Subscription

Episode 1Audio: EnglishSubtitles: English
SubscriptionAvailable through Jan 21, 2031
Go to provider

The Roku Channel

Free

HDEpisode 1Audio: EnglishSubtitles: English
Free
Go to provider

The Roku Channel

Add-on subscription · HBO Max

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

Discovery+

Subscription

Episode 1
SubscriptionAvailable through Dec 31, 2029
Go to provider

The Roku Channel

Free

HDEpisode 1Audio: EnglishSubtitles: English
Free
Go to provider

The Roku Channel

Add-on subscription · HBO Max

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

HBO Max

Subscription

Episode 1Audio: EnglishSubtitles: English
SubscriptionAvailable through Jan 21, 2031
Go to provider

Hulu

Add-on subscription · HBO Max

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscriptionAvailable through Jan 21, 2031
Go to provider

The Roku Channel

Add-on subscription · discovery+

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

The Roku Channel

Free

HDEpisode 1Audio: EnglishSubtitles: English
Free
Go to provider

Discovery+

Subscription

Episode 1
SubscriptionAvailable through Dec 31, 2029
Go to provider

The Roku Channel

Add-on subscription · HBO Max

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

Hulu

Add-on subscription · HBO Max

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscriptionAvailable through Jan 21, 2031
Go to provider

HBO Max

Subscription

Episode 1Audio: EnglishSubtitles: English
SubscriptionAvailable through Jan 21, 2031
Go to provider

The Roku Channel

Add-on subscription · discovery+

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

Discovery+

Subscription

Episode 1
SubscriptionAvailable through Dec 31, 2029
Go to provider

HBO Max

Subscription

Episode 1Audio: EnglishSubtitles: English
SubscriptionAvailable through Jan 21, 2031
Go to provider

Hulu

Add-on subscription · HBO Max

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscriptionAvailable through Jan 21, 2031
Go to provider

The Roku Channel

Add-on subscription · HBO Max

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

The Roku Channel

Free

HDEpisode 1Audio: EnglishSubtitles: English
Free
Go to provider

The Roku Channel

Add-on subscription · discovery+

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

The Roku Channel

Add-on subscription · discovery+

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

Discovery+

Subscription

Episode 1
SubscriptionAvailable through Dec 31, 2029
Go to provider

HBO Max

Subscription

Episode 1Audio: EnglishSubtitles: English
SubscriptionAvailable through Jan 21, 2031
Go to provider

Hulu

Add-on subscription · HBO Max

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscriptionAvailable through Jan 21, 2031
Go to provider

The Roku Channel

Free

HDEpisode 1Audio: EnglishSubtitles: English
Free
Go to provider

The Roku Channel

Add-on subscription · HBO Max

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

The Roku Channel

Add-on subscription · discovery+

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

The Roku Channel

Free

HDEpisode 1Audio: EnglishSubtitles: English
Free
Go to provider

The Roku Channel

Add-on subscription · HBO Max

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscription
Go to provider

Discovery+

Subscription

Episode 1
SubscriptionAvailable through Dec 31, 2029
Go to provider

HBO Max

Subscription

Episode 1Audio: EnglishSubtitles: English
SubscriptionAvailable through Jan 21, 2031
Go to provider

Hulu

Add-on subscription · HBO Max

HDEpisode 1Audio: EnglishSubtitles: English
Add-on subscriptionAvailable through Jan 21, 2031
Go to provider

Check picture and language options with the provider. Comparison within the same offer type, quality, currency and unit. Opens the provider website.

What is Killers of the Cosmos about?

A mysterious informant investigates each disaster-in-the-making via a wide range of experts who've studied some of science's most unbelievable wonders.

Cast

Aidan Gillen

Questions about Killers of the Cosmos

Can I watch Killers of the Cosmos for free?

Free offers for Killers of the Cosmos are listed on The Roku Channel. Check the provider for conditions such as ads or registration.

What picture and language options are available?

Confirmed picture quality: HD and SD. Check each offer for audio and subtitles; options may depend on your device and plan.

Which seasons of Killers of the Cosmos can I stream?

Specific season or episode offers for Killers of the Cosmos cover seasons 1. Open a season to compare providers and prices. A series-level offer does not automatically confirm every season.