Baby Herman swallows a rattle and is rushed to the hospital for surgery. Roger is shocked and sad about this. The rattle comes falling down into Roger's mouth after the baby burps it out after his milk break, and Roger swallows it. When the surgeon comes in to get Baby Herman ready for surgery, he thinks Roger is the patient that swallowed the rattle and much zany madness breaks loose. Roger and Herman both go to an out-of-order elevator, and fall down, but Baby Herman uses a diaper as a parachute, and it makes it to the 2nd floor (after he swallows the rattle again), but Roger gets crushed. As the elevator gets back up, Roger opens the doors and then a bomb enters. Finally, he caught Baby Herman and declares that from now on, they are "smooth sailing", only to fall upward and back down, during which, Baby Herman burps up the rattle and Roger swallows it again and falls from one hospital floor to another. As he lands on the bottom floor, Baby Herman falls upon him, and he spits out the rattle. After Roger is shocked to see such a large bill, Baby Herman swallows the rattle again.
Finally, during the ending part, which is animated-live-action, Baby Herman spits out the rattle, revealing that he didn't like the rattle-swallowing idea and never wants to do that again. Roger then goes home with his wife, Jessica, to play, not tiddlywinks, canasta or parcheesi, but rather patty-cake.
- Charles Fleischer - Roger Rabbit
- Young Baby Herman/Mrs. Herman - April Winchell
- Adult Baby Herman - Lou Hirsch
- Orderly - Corey Burton
- Droopy Dog - Richard Williams
- Jessica Rabbit - Kathleen Turner
- Raoul J. Raoul - Sol Pavlovsky
- Sign Carriers - Charles Noland, William Bronder
- Bob Hoskins - Eddie Valiant
The cartoon characters that make cameo appearances in this short include:
- The title card at the start of the film states that this film was made in 1947, the year Who Framed Roger Rabbit was set in.
- Although Benny the Cab does not appear in this short, an anthropomorphic ambulance vehicle resembling him can be seen briefly, taking Baby Herman to the hospital at high speed.
- Mickey Mouse’s trademark shoes and shorts can be seen adorning the changing screen in Baby Herman's hospital room. Nearby is a diagram of a mouse’s skull, in Mickey’s design, on the weights there is a moneybag. When the scene cuts back the clothes are gone and the diagram has been replaced with a Rabbit’s Brain, which is represented by a peanut.
- When Roger climbs back up the elevator shaft, there's a mouse hole with Mickey Mouse's ears.
- The hospital doors that Roger passes as he is moved through the hospital are: Pathology, Urology, Proctology, Gynecology, Biology, Radiology, Geology, Theology, Archaeology, Zoology, Egyptology, Astrology, Musicology, Physiology, Pharmacology, Phraseology and finally Burbank.
- The items in the pile of explosives read: Gas, Flammable, Toxic, P.U., Ammonia, O2, Diaper Pail and Human Waist.
- Before the atomic hare-splitter slams into Roger, there is some text on the device that reads "Made in Glendale."
- Droopy's one line ("Gruesome, isn't it, folks?") was actually an outtake from Who Framed Roger Rabbit. The voice is that of Richard Williams, animation director on that film.
- On that note, Roger's reaction to the Hospital Bill at the end is directly lifted from Spike's freak out at the end of "Droopy's Double Trouble"
- This is one of the two Roger Rabbit short films to be rated G by the MPAA; the other being Trail Mix-Up.
- This was the only Roger Rabbit/Baby Herman cartoon that ended successfully (even having an ending card after the iris out).
- This short film marks Disney's only animated project scored by James Horner, who has also scored a few live-action films made by Disney, such as Honey, I Shrunk the Kids (which the short was attached to), The Rocketeer, and Mighty Joe Young.
- This short was filmed at Disney MGM Studios in 1988.
- The short has been featured in comic book format at the end of the graphic novel Roger Rabbit: The Resurrection of Doom.
Home video releases
- The Best of Roger Rabbit