John Wayne Gacy: Devil in Disguise—the six-part documentary also searched for as John Wayne Gacy: The Devil in Disguise—is streaming in the United States on Peacock. To watch it, sign up for Peacock Premium or Premium Plus, search for the documentary by its catalog title, and choose Season 1.
Before pressing play, check that you have selected the six-episode documentary, not Peacock’s separate eight-episode scripted drama, Devil in Disguise: John Wayne Gacy.
How to watch the John Wayne Gacy documentary
- Go to PeacockTV.com or open the Peacock app on a supported device.
- Create a Peacock account or sign in.
- Select a paid plan. Peacock currently lists Premium and Premium Plus as the relevant options for this title.
- Search for John Wayne Gacy: Devil in Disguise. Peacock’s catalog omits “The” from the title, even though that version appears in some searches and headlines.
- Open the result labeled Documentary, select Season 1, and start with “The Trigger.”
Start streaming on Peacock after confirming the plan and final checkout price shown for your account.
Which Peacock plan do you need?
Peacock’s published direct-billed prices are:
| Plan | Published price | Best for |
|---|---|---|
| Peacock Premium | $10.99 per month or $109.99 per year | Viewers who simply want to stream the documentary |
| Peacock Premium Plus | $16.99 per month or $169.99 per year | Viewers who want the additional benefits of the higher-tier plan, including eligible offline downloads |
Peacock says these direct-billed prices took effect for new subscribers on July 23, 2025. Promotional offers, taxes, partner billing, and later price changes can affect the amount displayed at signup, so the checkout screen is the final authority. See Peacock’s official price notice for the published rates.
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For this documentary alone, Premium is the practical choice. Premium Plus is worth considering if you specifically want its extra plan benefits. Peacock says offline downloads are available for select content to Premium Plus subscribers using supported mobile and tablet devices; downloading is not guaranteed for every program or device.
Make sure you choose the documentary, not the scripted drama
Peacock currently carries two similarly named productions about Gacy:
| Title in Peacock’s catalog | What it is | How to identify it |
|---|---|---|
| John Wayne Gacy: Devil in Disguise | The 2021 documentary series | Six episodes, rated TV-14, listed as a documentary |
| Devil in Disguise: John Wayne Gacy | A separate scripted limited drama | Eight episodes, rated TV-MA; premiered exclusively on Peacock on October 16, 2025 |
The documentary uses interviews, archival material, and Gacy’s own recorded words to examine the case, the victims, investigators, prosecutors, and the questions that continued after the crimes were uncovered. The scripted drama is a dramatization that also focuses on victims’ families, institutional failures, and missed opportunities. It is not the same production.
When searching, select the result labeled Documentary with six episodes and a TV-14 rating. Peacock’s official listings are the best source for distinguishing the two titles.
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Episodes and running times
Peacock lists one season containing six documentary episodes:
| Episode | Title | Runtime |
|---|---|---|
| 1 | “The Trigger” | 48 minutes |
| 2 | “Warning Signs” | 54 minutes |
| 3 | “Horrific Acts” | 51 minutes |
| 4 | “By Reason of Insanity” | 48 minutes |
| 5 | “You Have to Dig” | 55 minutes |
| 6 | “It Never Ends” | 52 minutes |
The listed runtimes add up to roughly five hours and eight minutes, although the actual viewing time can vary slightly with platform presentation and credits.
Where Peacock is available
Peacock’s service is available in the United States and certain U.S. territories, including American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands. The availability of this individual documentary outside those markets should not be assumed. Streaming catalogs are territory-specific and can change.
A U.S. JustWatch listing checked on July 26, 2026, also reported the documentary on Peacock Premium and Peacock Premium Plus and did not identify a free streaming option at that check. That is useful as a secondary availability check, but Peacock’s own catalog should take priority for the current U.S. listing. JustWatch did not establish international availability, a permanent free option, or a rental or purchase option.
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Supported devices
Peacock supports a broad range of platforms, although exact model and operating-system requirements vary. Supported categories include:
- Modern web browsers
- iPhone and iPad, plus Android mobile devices
- Fire TV, Android TV, Apple TV, Chromecast, and Google TV
- Compatible Hisense and LG televisions
- PlayStation 4 and PlayStation 5
- Roku devices
- Samsung smart TVs from 2017 onward
- Xbox One and Xbox Series consoles
- Xumo devices
- Certain cable-provider set-top boxes
For a model-specific answer, check Peacock’s supported devices and platforms guide before subscribing.
Internet requirements and buffering fixes
Peacock recommends at least 3 Mbps for general streaming and at least 8 Mbps for certain high-quality live or ultra-high-definition content. Those figures are service recommendations, not a guarantee that every connection will play smoothly.
If playback buffers:
- Run a speed test on the device you plan to use.
- Pause other high-bandwidth activity, such as game downloads or large file transfers.
- Restart the Peacock app and, if necessary, the streaming device.
- Move closer to the Wi-Fi router or use a wired connection where practical.
- Install pending app, device, or operating-system updates.
- Try a different supported device or browser to determine whether the problem is device-specific.
For Peacock’s troubleshooting guidance, see its slow-loading and buffering help page.
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Captions, audio description, and content warning
Peacock provides closed captioning through the player’s Audio & Subtitles menu. Audio description is available for many programs on supported devices. The presence of a particular accessibility track can vary by title, device, and playback environment. Peacock’s accessibility guide has the current service information.
Content warning: This documentary discusses serial murder, sexual violence, victims who were minors or young men, disturbing archival material, and descriptions of death. Viewers who may find those subjects distressing should take that into account before watching.
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In the U.S., watch John Wayne Gacy: Devil in Disguise on Peacock. Choose either Peacock Premium or Premium Plus, search the title without “The,” and select the six-episode documentary marked TV-14. Do not confuse it with the separate eight-episode, TV-MA scripted drama Devil in Disguise: John Wayne Gacy.
Frequently Asked Questions
Is John Wayne Gacy: The Devil in Disguise free to stream?
The available research does not verify a free streaming option. A U.S. JustWatch check on July 26, 2026 listed the documentary through Peacock Premium and Premium Plus, while Peacock’s own catalog places it on the service. Check the current Peacock signup screen for the price and any promotion available to you.
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How many episodes are in John Wayne Gacy: Devil in Disguise?
The documentary has one season and six episodes: “The Trigger,” “Warning Signs,” “Horrific Acts,” “By Reason of Insanity,” “You Have to Dig,” and “It Never Ends.”
Is Devil in Disguise: John Wayne Gacy the same as the documentary?
No. John Wayne Gacy: Devil in Disguise is the six-episode documentary. Devil in Disguise: John Wayne Gacy is a separate eight-episode scripted drama released on Peacock in 2025.
Can I watch the documentary outside the United States?
Do not assume it is available internationally. Peacock’s stated service markets include the United States and certain U.S. territories, but individual program availability varies by territory. Check the local service catalog where you live.
The Bottom Line
Bottom line: The six-episode documentary is streaming in the U.S. on Peacock. Search for John Wayne Gacy: Devil in Disguise, select the documentary—not the eight-episode scripted drama—and use Peacock Premium unless you specifically need Premium Plus benefits such as eligible offline downloads.
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