"Christmas in Space" is the twenty-third episode in Season 8 (and two hundred and fortieth overall) of Regular Show. It aired on December 1, 2016.
The guys celebrate their first Christmas in space by opening presents, eating peppermint bark and telling Christmas stories. Benson wants the stories to be more Christmas-y but the guys keep adding scary elements, which only infuriate their boss.
- Muscle Man
- Hi Five Ghost
- Celcius Snow Monsters
- Ludlow the Laser-Nosed Reindeer
- Rocker Caroler
- Geese (cameo)
- Space Santa
- This is the last Christmas episode in the series.
- This episode confirms that Muscle Man is Jewish, as he says a Sorrenstein Chanukah tradition. Chanukah is the Jewish Festival of Lights.
- The opening credits has a Christmas version of the theme song from the Terror Tales of the Park series and is similar to The Christmas Special due to the unusual fade-in and red and green changing background.
- The Nielson Company accidentally lists this episode airing as part of Adult Swim, due to the episode airing at 8pm.
- This is the last episode to air in 2016.
- The conclusion of Benson's first tale has a section from the end of "Christmas Eve/Sarajevo" by the Trans-Siberian Orchestra.
- The gunshot sound when Skips fires the cookies at the Rocker Caroler is similar to the gunshot sound of two of Scout's weapons: Force-A-Nature and Soda Popper from TF2