Sci-fi as a genre has been a mainstay ever since television became readily available.

With all that in mind, here is a look at 15 sci-fi shows that have aged poorly.

However, these desires come at a hefty price, and one that is not always financial.

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Image via Federico Napoli

It has to first be said thatWestworld’s debut season is a work of genius.

It is the sad decline of the show in the subsequent three seasons that places it on this list.

Unlike others in this list,Torchwood’s quality has nothing to do with its poor aging.

Teddy and Dolores chatting in the desert in Westworld

Image via HBO

Add to that the invasion by outside forces, and the kingdom’s future looks fragile.

For an intricate look at the disparity between superhuman and human identities, check outX-Men.

Frankly,Slidershas only aged poorly thanks to the advancement in how the multiverse is unpacked in modern media.

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First airing back in 2007,Primevalfollowed a group of highly-trained specialists who track down strange anomalies across England.

A fascinating concept blending entertainment and education,Primevalwas an instant hit upon its arrival.

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Gillian Anderson and David Duchovny grin sheepishly standing next to each other in The X-Files.

Image via Fox

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Jessica 6 and Logan looking past the camera in ‘Logan’s Run’

Image via Warner Bros.

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Torchwood: Children of Earth DVD cover

Image via BBC

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The Inhumans posing together and looking directly at the camera in the ABC show ‘Inhumans’.

Image via ABC

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Image via ABC

The cast of Sliders stand together, looking anxious in a tense moment.

Image via Fox

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The Fourth Doctor (Tom Baker) standing against a white-gray backround clutching his hat to his head, wearing his scarf and coat, and looking offscreen to the left with a mildly perplexed expression, in Doctor Who

Image via BBC

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Image via BBC

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