Star Trek: Discovery's secret easter egg totally changes series canon

Keeping up with the Cardassians.

The Cardassians have finally joined the Federation. A brief Easter egg in Star Trek: Discovery Season 3 reveals an off-screen development many fans missed. A species of alien largely depicted as sadistic and fascist, has become part of the most peaceful intergalactic organization of all time. If you remember the Cardassians as the species that invaded Bajor, tortured Captain Picard, and built shoddy space stations, Trek canon wants to change your mind.

A piece of tech acquired by Michael Burnham in Discovery Season 3 confirms the Cardassians are no longer enemies of the Federation in the 32nd century, which could set up their Season 4 return. Here's what it all means, and how it might play out in the future.

Star Trek: Discovery Season 3 spoilers ahead.

Mario Moreria, the prop master for Star Trek: Discovery, shows-off the Cardassian "black box."


The Easter egg everyone missed — In an official behind-the-scenes video for Discovery Season 3, prop master Mario Moreria specifically revealed all three of the starship "black boxes," recovered by Michael Burnham throughout the season. In her effort to discover the cause of the Burn, Burnham was determined to get the info from various Federation ships before their warp cores mysteriously exploded. What Moreria points out, is that one of the black boxes, from the starship Gav'Nor, was in fact, a Cardassian ship. Which, as he says in the video, was "a Federation member ship at that point."

In the 2370s of the 24th Century, during the timeframe of Deep Space Nine, the Cardassians were very much an enemy of the Federation. In fact, in broader Trek canon tells us that in the 2340s and the 2350s, the Federation and the Cardassian Union were engaged in outright war. During the Dominion War, the Cardassians were aligned with the Dominion for the vast majority of the war, though they did turn and help the Federation in the final episodes of DS9. It seems that about 814 years after the end of the Dominion War in 2375, the Cardassian Union had come far enough that they were actually a part of the Federation.

The politics of Lower Decks might give a clue to the 32nd Century Cardassians.


Lower Decks offers a big clue—

Although Lower Decks takes place just five years after the Dominion War, in 2380, there are already signs that the Cardassian Union is on decent terms with the Federation. In "Temporal Edict," the USS Cerritos is on-route to Cardassia Prime to broker a peace treaty between different alien races. Because it's Lower Decks, this detail is mostly played for laughs, because we're later told the "Cardassians are freaking everyone out." But, it's still canon and does demonstrate something Deep Space Nine did over and over again – point out that huge aspects of Cardassian culture were not cool with the fascist regime that defined much of Cardassian history as we know it.

In several pivotal episodes of DS9 (notably "Duet") we were introduced to the notion that the occupation of Bajor was not something a huge portion of the Cardassian people supported. The series made this pretty clear as an analogy about Germans who resisted Nazi Germany from within. With that in mind, it seems unlikely that the Federation would have forgotten about the Cardassian government's actions all that quickly. But, roughly 800 years is a pretty long time. Who knows what the Cardassians are like now!

Space Station Deep Space Nine — formerly known as Terok Nor.


We could see DS9 again — With a series of striking Easter eggs, Discovery Season 4 revised several alien species made popular by Deep Space Nine. We saw the Trill again. Culber was briefly made to look Bajoran in the holo-ship environment. Burnham and Book encountered a Lurian in the Season 3 debut episode. As Season 4 continues to reexplore the galaxy as we know it, it seems likely we'll see familiar alien races again. If the Cardassians are members of the Federation, we could meet a bunch of Cardassian peaceniks in Season 4.

We may also see what became of a very old Cardassian-built space station. The Federation called it "Deep Space Nine" in the 2370s, but when the Cardassians built-it sometime before the 2360s, they called it "Terok Nor." If this famous space station is still around in the 32nd Century, it may have yet another new name. Could the USS Discovery visit this legendary space station in Season 4? Do people still use the wormhole? Back in the day, that was on the border of Federation-Bajoran and Cardassian space. But now, that's all the same territory.

If the USS Discovery does head back to Deep Space Nine in season 4, the heads of nineties Trekkies are going to explode.

Star Trek: Discovery Season 4 is currently in production.

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