A 2017 Spin-Off of a recurring segment from TripTank, which also aired on Comedy Central, the premise of Jeff & Some Aliens is that three aliens have come to Earth to study the world's most average person.

The series was created by Sean Donnelly and Alessandro Minoli, and stars Brett Gelman with Minoli.

The series only lasted for a single, ten-episode season.

Tropes found include:

• Accidental Murder: Kicks off the plot of the first episode.
• Big Bad: So far, Jeff's Landlord seems to be this.
• Butt-Monkey: Jeff and Jimmy
• Comedic Sociopathy: The aliens, Tedd and Jimmy at are Obliviously Evil.
• Comic Trio: the Aliens themselves.
• Couch Gag: The three humans that appear on the monitor before Jeff in the opening change every episode. They all appear somewhere in the episode.
• Cranky Landlord: Jeff has one and is a recurring character.
• Creator Cameo: The 3 aliens are voiced by Minoli and Donnelly voices Andy and some additional characters.
• Crouching Moron, Hidden Badass: Jimmy shows himself to be this in "Jeff and Some Jeff's", there's also Jeff's Big Damn Heroes moment at the end of episode 1.
• Death Seeker / Heroic Suicide: Jeff gets himself stabbed in jail at the end of episode 1 in order for his soul to be sent to the Azurian slave camp.
• Determinator: When given an impossible ultimatum Jeff will always pull it off at least temporarily.
• Divergent Character Evolution: The aliens have much more distinguished personalities than they did in "Triptank".
• The Everyman: Jeff.
• Fat Comic Relief: Andy, he happens to be infant that was turned into an adult in episode 2.
• Fat Idiot: Andy, see above.
• Germans Love David Hasselhoff: In-universe. In one episode the aliens and Jeff find out that Jeff and his childhood friend (under the pseudonyms of MC Noodles and Sauce respectively) became a hit in Sweden.

  Jeff: (looks at the video's comments) Wait, wh-what is this? Why is all this written in gibberish?

  Jimmy: It appears to be Swedish, Jeff. Looks like you're a big hit over there!

• Jerk with a Heart of Gold: Sammy, Jeff can also have his moments.
• Manchild: Andy the adult infant.
  • The aliens come off this way due to their misunderstanding of earths culture.
• Mistaken for Pedophile: Happens to Jeff in "Jeff and Some Preteen Girls" by his psychopathic landlord, it doesn't end well.
• Nice Guy: Jeff ultimately even though he's forced into a lot of Comedic Sociopathy.
• This Loser Is You: Jeff happens to be this.
• Vitriolic Best Buds: The four main characters, with Jeff and Sammy being the stand out examples.