History Funny / CellsAtWork

* Red Blood Cell opens a door to ask for directions in Chapter 1, only to come face to face with a lone Pneumococcus. The two stare at each other in shocked silence for a moment, before Red Blood Cell quietly closes the door as if to say "I'll pretend I didn't see that." (Then the Pneumococcus breaks through the wall ''a la'' the Kool-Aid Man.)

* In the official English opening theme, near the end of the song, Macrophage (Creator/LauraPost) asks "Are you working?" with Killer T Cell (Creator/RobbieDaymond) angrily replies "Course I'm working!"

** The clueless looks everyone gives the robot when it says "Target cell confirmed". It isn't until it starts charging up it's laser that Neutrophil and Memory B Cell actually react!

** Also how Effector T-Cell is a clear parody of the various heroes of ''[=JoJo=]'s Bizarre Adventure'', with his design in a completely different art style, and even yells the famous "ORAORAORAORA!!!" as he rapidly punches out the Influenza zombies. Becomes HilariousInHindsight when you remember that the animation company working on ''Cells at Work'' was also the same one behind ''[=JoJo=]''!

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* In the intro, one shot shows Red Blood Cell pushing a [=CO2=] cart while Ordinary Cells are cheerfully dancing around her. Suddenly a bunch of Influenza zombies show up...and the oblivious Ordinary Cells are still dancing!

* B Cell angrily calls Mast Cell "Fat Cell" (in real life, an actual other name for mast cells). She angrily retorts, "WELL, DOESN'T THE B STAND FOR BONEHEAD?" This gets B Cell royally pissed, and the two start yelling at each other, which escalates to a full-on brawl as Neutrophil and Memory B Cell watch solemnly.

* For Team Fortress 2 fans, the fact that Monocytes look like The Pyro and is in fact a woman in a frilly dress should get many a chuckle.

[[AC:Season 2, Episode 3]]
* At the end of the episode, Senpai Red Blood Cell/[=AA5100=] angrily shows up to yell at [=AE3803=], "Hey, you! Is it true you got tangled up in another incident?!" and starts chasing her around in the background as the Ordinary Cells apologize to Mast Cell.

* At the end of the episode, Senpai Red Blood Cell/AA5100 angrily shows up to yell at AE3803, "Hey, you! Is it true you got tangled up in another incident?!" and starts chasing her around in the background as the Ordinary Cells apologize to Mast Cell.

* In the official English opening theme, near the end of the song, Macrophage's (Creator/LauraPost) asks "Are you working?" with T-Cell (Creator/RobbieDaymond) angrily replies "Course I'm working!"

[[AC:Chapter 26]]

* The ''Vibrio'' bacterium, insulted by Neutrophil's arrogance, decides to swallow him whole, to Eosinophil's horror. Bad move for the germ, however, because Neutrophil ''slices him apart from the inside'', then rips his way out of the dead germ's mouth, screaming in rage and covered in cytoplasm (depicted as red blood, which makes for some epic LudicrousGibs). Cue the shocked expressions of all the other cells...

* And before that, [[AngerBornOfWorry teary-eyed U-4989 slapping the wounded U-1146 repeatedly, while spouting typical tsundere lines]]. The way he says them makes him look like he is U-1146's lover.

* AE 3803 gets in a montage of embarrassing incidents in front of her kohai, [=NT4201=]...one of which is [[CutenessProximity stopping to play with a group of Platelets]] and accidentally following them in the wrong direction.

* The bureaucrats running the body's autonomous functions decide that the best way to deal with a lack of oxygen distribution (caused by a hemorrhage) is to increase blood pressure... which of course sends even more red blood cells to their deaths as the only way to get past the wound is to crawl sideways along a sheer cliff face. And one cell emits what sounds suspiciously like a Wilhelm scream as he goes down.