I still don't like changing diapers, but ever since Hammie came along my reflexes have really improved.Any time Hilarity Ensues because someone without experience is taking care of a baby, you can expect the writers to bring out the horrible and dreaded act of The Diaper Change for quick and easy Toilet Humour. This is frequently taken one step further when the child in question is a boy, since the infant will frequently "open fire" on his caretaker mid-way through. Truth in Television, as anyone with any significant experience in caring for babies will confirm. Hardly exclusive to boys in real life, but in fiction it's only ever really brought up with them since they're the ones with a... um... spout. See Urine Trouble, which covers incidents involving animals.
—Daryl MacPherson, Baby Blues
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- There was a horrifying commercial by Huggies, (what else) a diaper brand that showed a father taking his baby into a bedroom to change him. That baby "opens fire" all over the ceiling but the stream stops instantly when the diaper is closed.
Anime and Manga
- An episode of Sailor Moon during the "Eiru and An" arc featured Mamoru caring for a baby named Manami. An got this when she tried changing Manami's diaper. It's hinted that Manami may have done it on purpose, due to sensing An's actual nature as an alien.
- Koharu Biyori: Yui of this ecchi series has this happen to her while babysitting. Worse, the accident causes a short in the Robot Girl's system that deletes all the baby care information she had downloaded specifically for the task.
- Akkan Baby: When Shigeru and Yuki find themselves looking after an abandoned infant, they inadvertently give him this opportunity.
- In the episode of Tenchi Muyo! where the gang have to take care of Tenchi's baby cousin, Ryoko catches a dose of this trying to change Taro's diaper.
- InuYasha: Just about anytime Miroku is mistaken for a toilet by a little toddler... Miroku is the one who ends up running away with the kid to a bathroom yelling "You know better than to pee there!" or "The toilet's over here!".
- In a filler episode of Kyo Kara Maoh!, perpetual sycophant Stoffel tries to win points with Yuuri by helping him to change the diaper of a baby that he and Wolfram have been tasked with looking after. Since Stoffel makes for a delightfully unsympathetic Chew Toy, this trope naturally ensues.
- In Three Men and a Baby. (Although it was with a baby girl in this case.) Don't use your expensive leather couch as a place to change diapers.
- In Riding in Cars with Boys the main character gets it right in the mouth as she struggles to care for her newborn son. As she rants and raves and brushes her teeth her mother laughs and goes to finish the change for her.
- At the beginning of Kung Pow! Enter the Fist, the Chosen One pees in
Master Pain'sBetty's face as a baby, in self defense.
- Tim's infant son Alvey from Son of the Mask has so much urine it seems like he's doing it on purpose. And since he has special powers, being conceived while Tim was wearing the mask, he probably is.
- In a variant, Lily Tomlin in The Incredible Shrinking Woman was nearly drowned in an unfortunate close encounter with a "Betsy Wetsy" doll.
- In the middle of The Three Stooges movie, when the Stooges disguise themselves as nurses in order to kill a man, the Stooges are forced to change a bunch of diapers inside of a nursery, ultimately turning this trope into a slight subverted (and rather disturbing) variation of their infamous Pie in the Face gag.
- Shakes the Clown begins with the title clown passed out drunk in the bathroom, woken up when a kid pees in his face (but he was aiming for the toilet.)
- Back to the Future Part III
Marty: So you're my great-grandfather. The first McFly born in America...and you peed on me.
- In The Nutty Professor 2, Buddy Love is tricked into ingesting the youth formula turning him into a baby. Dean Richman picks him up and gets punched in the face and peed on.
Live Action TV
- The Nanny: Fran is changing a baby boy's diaper when Max warns her to stand over to the side rather than in front in case of this trope, commenting that his own son was able to hit the wall clock.
- Subverted and later played straight in the Dinosaurs episode "Nature Calls". At one point, it looks like Baby Sinclair is peeing on his dad Earl while he changes his diaper, but it turns out that Baby was just playing with a water pistol. At the end of the episode, Baby wakes up his father in the middle of the night to inform him that he's ready to begin potty-training, and the subsequent dialogue implies that Earl is trying to teach Baby to pee standing up.
Earl: Now, imagine there's a fire and you are the fire captain. No. No. No. I'm not the fire! The fire's over there!
- A favorite theme on America's Funniest Home Videos.
- Chouriki Sentai Ohranger: Juri ends up on the receiving end of this in an early episode.
- Tokusou Sentai Dekaranger: Umeko witnesses a regular mother going through this and laughing it off, teaching her an important lesson in motherhood (she's currently babysitting a baby alien twice her size).
- Juken Sentai Gekiranger: Ran winds up babysitting both her teammates when they are de-aged to a kid and a baby — one of them pees into her face, and gets teased about it well after he's back to normal.
- In an episode of Diagnosis: Murder they change a baby's diaper. The pixie faced doctor comments on how babies whizz in peoples' faces when people change their diapers on TV. He then changes the baby's diaper and gets whizzed on.
- The Lone Gunmen find themselves caring for a baby, and none of the three have a clue about baby care, with the predictable result during a diaper change.
- Good Luck Charlie:
- In "Baby Come Back", baby girl Charlie is mixed up with a baby boy. The kids babysitting her manage to switch her back, but are ultimately busted when none of them can explain the pee stains in the living room.
- In "Teddy and the Bambino", Teddy changes Toby's diaper when she has to look after him. As if the odor causing Victor to faint isn't bad enough, Toby also pees on him.
- This happens in one Charmed episode. Piper freezes time to dodge the stream.
- This happens in the Smallville episode "Ageless". Clark Kent dodges the stream.
- In the Season 3 episode, Blue Christmas, of Ally McBeal, Elaine finds an abandoned baby boy and wants to adopt him. The boy tinkles in the eyes of many of those from her office. It made Elaine invent protective goggles.
- Malcolm in the Middle. The gender of baby Jamie was an ongoing secret — until this happened, and Hal responded "Nice try, mister!"
- Shown in a Flashback on My Name Is Earl. Apparently, Earl started irritating his father very early in life. Unlike most examples, rather than hitting Carl in the face (while Kay changed baby Earl), the stream hit his blueberry crumble dessert.
- Ray Romano notes that it's even worse when you have twins, because then they start trying to one-up each other.
"Watch me put out his cigarette!"
- Happens to Rayne in this Least I Could Do strip. He does it himself in this one.
- In Kevin & Kell, Fenton Fuscus is changing the little skunks' diapers he and Lindesfarne are babysitting, causing him to practice his evasive skills, not against multiple rounds of urine, but terrible blasts of skunk spray!
- Subverted in The Fairly OddParents! movie "Fairly Odd-Baby", where after the baby's gender is speculated over the entire series, Timmy realizes the baby is a boy when a stream of water shoots up between in the middle of a diaper change... "because boys love water guns!"
- Family Guy: Stewie Griffin has done this on purpose more than once. In one Cutaway Gag, he opens fire after Peter accidentally sprinkles paprika instead of talcum powder on him during a diaper change.
- When the older babies attempt to change Dil's diaper in The Rugrats Movie, this happens.
- Also occurs during the newborn babies' musical number "This World is Something New to Me" from earlier on: all of them tinkle in unison like a fountain at the end.