Kevin Spacey in season 4 of “House of Cards.” (David Giesbrecht/Netflix/TNS)

In a clever bit of marketing, streaming giant Netflix tweeted the trailer for the fifth season of its flagship political drama “House of Cards” during the inauguration of President Donald Trump.

We make the terror.

— House of Cards (@HouseofCards) January 20, 2017

We couldn't possibly comment. @HouseofCards​, May 30.

— Netflix US (@netflix) January 20, 2017

The ominous trailer features an upside-down flag flying on the White House lawn over a cloudy backdrop, all while a group of children are reciting the Pledge of Allegiance.

According to the United States Flag Code, “the flag should never be displayed with the union down, except as a signal of dire distress in instances of extreme danger to life or property.”

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Running up to the inauguration, online rumors swirled that Netlfix would release the fifth season of the political plottings of Frank Underwood and his wife Claire on Inauguration Day.

Instead, the trailer said the fifth season will be released on May 30.

Many Twitter users and TV critics were quick to pick up on the timing of the trailer.

I appreciate the mad genius of Netflix announcing House of Cards’ season 5 launch date DURING Trump’s speech.

— Todd VanDerWerff (@tvoti) January 20, 2017

House of Cards dropping their promo and release date on #Inauguration day was pretty ironicthey've got the best timing.

— Emilia (@PoliticalEmilia) January 20, 2017

Well, the folks from @HouseofCards are perfect with their placement!

— Anthony Nicodemo (@coachNicodemo) January 20, 2017

Not much is known about the upcoming season of “House of Cards,” except that Kevin Spacey and Robin Wright will be reprising their roles as Frank and Claire Underwood, and that “Moonlight” actor Mahershala Ali will not be returning.