Facepalm

When your crew lets you down, be like Picard and let them know how disappointed you are. $12.99 on In My Parent’s Basement.

Engineering uniform

You know in your heart of hearts that you belong in the engineering department with the likes of Data and Geordi, and this uniform T-shirt will bring you one step closer. $34.99 on Amazon.

Felis catus

There’s only one true love story in all of Star Trek and that’s between Data and his cat, Spot. $22-$24 on TeeFury.

Trek yourself before you wreck yourself

Show some respect for the original gangsta, Mr. Spock, with this shirt. $22 on Animation Shops.

Tribble takeover

The trouble with tribbles is how hard it is to get the upper hand on them. If you can’t beat them, get this shirt and join them. $15.99-$22.99 on FYE.

Geordi's shades

When he’s right, he’s right. Geordi’s got the best look in space. $38.58-$53.59 on 80s Tees.

Beat the Kobayashi Maru

There have been many Star Trek video games over the years, but not one quite so unbeatable as this. $20 on TeePublic.

"Starfleet Tri-D Chess Champion"

And you thought your chess club was cool. With this shirt, everyone will know just how nerdy you are. $22.99-$24.95 on Tshirt60.

Starfleet Academy entrance exam

Studying is always important, especially when it comes to the entrance exam for Starfleet Academy. $23.99 on Look Human.

Cloaked Klingon bird of prey

If it’s good enough to hide a Klingon ship, it’s good enough for you. $34.99 on ThinkGeek.

Mirror Mirror

The perfect shirt for you or your evil twin. $38.58-$56.45 on 80s Tees.

Discovery Starfleet

Let the world know you’re down with Star Trek: Discovery by wearing the show’s Starfleet crest. $26.99 on Star Trek Shop.

Engage!

Prepare to engage! $22 on TeeFury.

Space, the final frontier

Let everyone know how important Star Trek is to you by wearing the text of Captain Kirk’s iconic monologue. $24.99 on Star Trek Shop.

Star Trek: TOS/Pride Delta

Celebrate your pride and love of Star Trek. $24.99 on Star Trek Shop.

Red shirt

Nobody is more expendable in the Star Trek universe than the red shirts, and now you can honor that long tradition. $24.95-$27.95 on Tee Shirt Palace.

Starfleet weaponry

Set phasers to looking good. This shirt is not only stylish but also helpful: It’ll show you how to put the phaser to good use. $25-$27 on Artistshot.

Mirror universe triangle

If you’re looking for a stylish tribute to the mirror universe, this is the shirt for you. $24.99 on Star Trek Shop.

Is this seat taken?

Channel Commander Riker’s swagger into your own life and broadcast your love of Number One to the world. $24.99 on Star Trek Shop.

Spock...

Is Mr. Spock your Star Trek spirit animal? The legendary Vulcan takes center stage on this shirt. $24.99 on Amazon.

Explore new worlds

If you love the original series, these are the squad goals you should aim for. $30.95 at Walmart.

50th anniversary

Why celebrate just Star Trek when you can also praise the man who created it all? $25 on Roddenberry Shop.

Trekkie

The perfect shirt for anyone who doesn’t have a favorite version of the franchise. $19.95-$22.95 on CafePress.

Property Of Starfleet

In the future, you don’t go to college; you go to Starfleet Academy. $24.99 on Star Trek Shop.

Starfleet Camp

Everyone wanted to go to space camp when they were a kid, but can you imagine how amazing Starfleet Camp would have been? $23.95-$27.95 on The Unique Tee.

Star Trek sublimation

This may be the most fashion-forward shirt anywhere in the universe. $55.85-$67.54 on 80s Tees.

Spock costume

Live every day like it’s Halloween and dress like Mr. Spock, the most logical person around. $35.72-$39.29 on 80s Tees.

Voyage

Show you love for the original USS Enterprise with a very unique design. $20-$23 on TeePublic.

Vulcan salute

Is your love of Star Trek only rivaled by your love of Futurama? Then this is the mashup you need right now. $22-$24 on TeeFury.

TNA 30th anniversary

tThis is the most detailed look at the USS Enterprise D you’ll find anywhere, so why not wear it? $25 on Roddenberry Shop.

Also see

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• Gallery: The greatest Star Trek laptop stickers of all time

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• Gallery: The IT workers of Star Trek

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• Gallery: Star Trek tech from Enterprise to Discovery to The Next Generation

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• How today’s smart tech inspired Star Trek: Discovery

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• From sci-fi to real-life tech: How Star Trek influenced consumer tech

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• Star Trek captains offer 4 leadership lessons that could save your career

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• Attention Trekkies: Don’t miss these Star Trek photos, interviews, quotes, and trivia

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• Star Trek: Discovery continues the mission of futurism and bold social commentary (ZDNet)

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• ‘Star Trek: Discovery’ goes to war — and not everyone survives (CNET)