It aired on December 21st, 2018.
After their spaceship explodes, Unikitty and the gang float helplessly through space. As they try to formulate a plan that will get them home safe, they flash back to how each of them is responsible for their ship being destroyed. 
- Space Mission: Danger! - The title of the episode is a reference to Space Mission: Danger!, a Nickelodeon pilot made by series producers Lynn Wang and Ed Skudder.
- Rashmon - The events of the episode are told through the viewpoints of multiple unreliable narrators.
- 2001: A Space Odyssey - Dr. Fox's computer Dave is a parody of HAL-9000.
This episode aired on December 21st, 2018 in the United States.
|The image gallery for Space Mission: Danger may be viewed here.|