Heres but a few of the friendly aliens that have graced the small screen.

Wait… isn’t this a list offriendlyaliens?

The more he learns, the more he questions his mission.

The-11-Friendliest-TV-Aliens-feature

Besides, Harry’s cover is already blown thanks to a 9-year-old boy that can see his true identity.

The episode proved popular enough to prompt his own show,Mork & Mindy.

The role of Mork is a perfect example of an actor and a character made for one another.

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Image via Syfy

The show allowed Williams, initially unknown, to be, well, Williams.

Manic, funny, a master of impressions and physical comedy, Mork is truly unique amongst his peers.

The wise-cracking alien brings chaos for the family, but they grow to love him.

Mork - Mork & Mindy

Even if he wants to eat their cat, Lucky.ALFis much funnier than you might remember.

Unless harboring an Area 51 escapee named Roger (MacFarlane) isn’t unusual.

Easier said than done.

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He should be more careful you don’t want to make Bill Bixby angry.

You wouldn’t like him when he’s angry.

As they fight crime together, they learn to respect one another’s culture.

American Dad - Roger

Ordered to do good deeds for whoever found him first, Gazoo lucks out (?)

and is found by Fred (Alan Reed) and Barney (Mel Blanc), whom he callsdum-dums.

He performs a number of amazing feats, most of which end up causing trouble for Fred and Barney.

My Favorite Martian - Ray Walston

The aliens are quirky, at best.

The family, as they learn more from their Earth neighbors, are hilarious, especially Templeman.

Mild-mannered, he joined the Resistance, offering whatever he could to help in their cause.

Alien Nation

The Great Gazoo-The Flintstones

The cast poses for a promotional photo for ‘3rd Rock From the Sun.'

Image via NBC

The Neighbors

V Robert Englund

Optimus Prime points to something off camera in ‘The Transformers’ animated series

Image via Hasbro

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Resident Alien