Alien Conspiracy Believer T-Shirts

Find t-shirts featuring clever alien conspiracy humor that’ll turn heads and spark conversations. Perfect for the believer with a sense of fun and a love for the mysterious universe.

All Products Prints T-Shirts Mugs Pillows

"You left this on our ship."

from $19.00

Alien Assumption

from $19.00

Elevator Music

from $19.00

'Take me to your computer.'

from $19.00

Pentagon Science Contest: '...It's a contest by the pentagon. They're gonna pay out half a million bucks to someone who comes up with the best idea on how people could travel to another solar system.'

Pentagon Science Contest: '...It's a contest by the pentagon. They're gonna pay out half a million bucks to someone who comes up with the best idea on how people could travel to another solar system.'

from $19.00

'Take me to your auto body shop.' mockup

'Take me to your auto body shop.'

from $19.00

'If this drilling goes on they are going to find my stash of Martian Dollars I buried as a hedge against inflation.'

'If this drilling goes on they are going to find my stash of Martian Dollars I buried as a hedge against inflation.' mockup

'If this drilling goes on they are going to find my stash of Martian Dollars I buried as a hedge against inflation.'

from $19.00

'...it's some distance away - but there are lots of 'em and they're edible.'

'...it's some distance away - but there are lots of 'em and they're edible.' mockup

'...it's some distance away - but there are lots of 'em and they're edible.'

from $19.00

'Perhaps the surest evidence intelligent life exists out there is the fact it hasn't revealed itself to us thus far.'

'Perhaps the surest evidence intelligent life exists out there is the fact it hasn't revealed itself to us thus far.' mockup

'Perhaps the surest evidence intelligent life exists out there is the fact it hasn't revealed itself to us thus far.'

from $19.00

Dustbin monster.

from $19.00

'Remember when the authorities were notified when we were spotted? Now nobody cares. They think we're drones.'

'Remember when the authorities were notified when we were spotted? Now nobody cares. They think we're drones.' mockup

'Remember when the authorities were notified when we were spotted? Now nobody cares. They think we're drones.'

from $19.00

"Says he's one of the MacMartian Clan." mockup

"Says he's one of the MacMartian Clan."

from $19.00

"No threat detected. Their vast resources are spent on lasers that combat wrinkles and unwanted hair."

"No threat detected. Their vast resources are spent on lasers that combat wrinkles and unwanted hair." mockup

"No threat detected. Their vast resources are spent on lasers that combat wrinkles and unwanted hair."

from $19.00

Pyramid UFO...

from $19.00

"Well, if I didn't send away for an entry application to the cat show, and you didn't send away for an entry application, who did?"

"Well, if I didn't send away for an entry application to the cat show, and you didn't send away for an entry application, who did?" mockup

"Well, if I didn't send away for an entry application to the cat show, and you didn't send away for an entry application, who did?"

from $19.00

Robot Attack in Bath

from $19.00

'...and then these two-eyed creatures took me from my spaceship to a four-wheeled vehicle. Nobody believes me. But you do, don't you doc?'

'...and then these two-eyed creatures took me from my spaceship to a four-wheeled vehicle. Nobody believes me. But you do, don't you doc?' mockup

'...and then these two-eyed creatures took me from my spaceship to a four-wheeled vehicle. Nobody believes me. But you do, don't you doc?'

from $19.00

Cows make terrible superheroes

from $19.00

'Your resume certainly includes a lot of UFO abductions....'

'Your resume certainly includes a lot of UFO abductions....' mockup

'Your resume certainly includes a lot of UFO abductions....'

from $19.00

Aliens watch movie featuring human invaders.

Aliens watch movie featuring human invaders. mockup

Aliens watch movie featuring human invaders.

from $19.00

'Oh, nothing's wrong -- I just expected Earthlings to be taller, that's all.'

'Oh, nothing's wrong -- I just expected Earthlings to be taller, that's all.' mockup

'Oh, nothing's wrong -- I just expected Earthlings to be taller, that's all.'

from $19.00

"Take us to your most influential power couple."

"Take us to your most influential power couple." mockup

"Take us to your most influential power couple."

from $19.00

'Of course we're not going to experiment on you. We needed another hand for our bridge game.'

'Of course we're not going to experiment on you. We needed another hand for our bridge game.' mockup

'Of course we're not going to experiment on you. We needed another hand for our bridge game.'

from $19.00

'Graze in perfect circles. It drives people crazy.'

'Graze in perfect circles. It drives people crazy.' mockup

'Graze in perfect circles. It drives people crazy.'

from $19.00

'...Water on Mars'

from $19.00

"If they figure out how to clone humans, we're screwed."

"If they figure out how to clone humans, we're screwed." mockup

"If they figure out how to clone humans, we're screwed."

from $19.00

"Take us to your leader!"

from $19.00

Cat scratch fever

from $19.00

"Sir, there's a crack in our lens!" mockup

"Sir, there's a crack in our lens!"

from $19.00

Alien Shopping List: Milk, Bread, Bin Bags, Earthling.

Alien Shopping List: Milk, Bread, Bin Bags, Earthling. mockup

Alien Shopping List: Milk, Bread, Bin Bags, Earthling.

from $19.00

"Oh, wow....this is cool! What are you making?"

"Oh, wow....this is cool! What are you making?" mockup

"Oh, wow....this is cool! What are you making?"

from $19.00

I knew we didn't have enough blocks for this thing.'

I knew we didn't have enough blocks for this thing.' mockup

I knew we didn't have enough blocks for this thing.'

from $19.00

'We're not going to Roswell again, it's such a tourist trap.'

'We're not going to Roswell again, it's such a tourist trap.' mockup

'We're not going to Roswell again, it's such a tourist trap.'

from $19.00

Alien Conspiracy Believer T-Shirts Collection

Alien Conspiracy Believer Mugs

Looking for more alien conspiracy-inspired mugs? Check out our collection of witty and fun designs perfect for any believer.

Alien Conspiracy Believer Pillows

Browse our alien conspiracy pillow collection for quirky decor that gets the cosmic conversation started in any room.

Alien Conspiracy Believer Prints

Explore our out-of-this-world prints inspired by alien conspiracy theories, perfect for decorating the space of any cosmic believer.