Space and Sci-fi One Shots

The Characters are time-traveling cyborgs who must investigate the history of a famous control-device. One of the group is a voracious umpire. It might involve a beautiful monstrosity.
There is a ghostly mastermind who comes with them.
The characters start in a vehicle that just lost all power. At some point they encounter someone who tries to arrest them. If things slow down they discover unexpected supplies.
It finishes with a game in a casino. Possible sequel... a foe returns more dangerous than before

The Characters are fun-loving super-soldiers who must collect a bounty on a troublesome mastermind. It might involve alternate dimensions.
There is a logical reviewer who hates one of the characters. And a supersensitive entrepreneur who wants to do the same thing.
The characters start chasing someone. Partway through a spaceship arrives. If things are going nowhere a talkative NPC provides useful information.
Afterwards there is a reward of a job offer.

The Characters are convicted comedians who must protect a sacred mega-laser. It might involve a superstar and redemption.
There is an absurd mercenary who works against them.
The characters start fleeing something. At some point they meet an old foe. If things get stuck there is a chase scene.
At the end there is a reward of the contents of a mysterious vault.

The Characters are veteran red-shirts who must research an abandoned research station. It might involve a superweapon or a conspiracy.
There is a wagering android who sets them the mission. they are the rival of a character.
The characters start gambling for high stakes at a casino. Partway through there is a celebration. If things are going nowhere a friendly robot leads them in the right direction.
At the end there is a reward of mind-altering cakes.

The Characters are veteran tourists who must find the controls to an uplifted pleasure moon. It might involve an unique ambassador.
There is an impulsive professor who comes with them. they are the rival of a character.
The characters start in a bar. At some point foes try to ambush them. If things slow down a villain turns up.
At the end there is a reward of a fancy new spacecraft.