Awesome Music: The versions of "How Do You Do?", "Everybody's Got a Laughin' Place" and "Zip-a-Dee-Doo-Dah" used in the different versions of the attraction.
Big-Lipped Alligator Moment: The "Burrow's Lament" sequence in the Disneyland version pretty much comes out of nowhere and doesn't have much of a purpose in the plot, pretty much serving as an excuse to find a place in the ride for the Mother Possum and Mother Rabbit characters from America Sings. It's easy to see why the Florida and Tokyo versions of the attraction don't include it, instead only using the melody.
Franchise Original Sin: Splash Mountain marked a shift in which Disney imagineers did not try to create new original rides - such as Pirates of the Caribbean, Haunted Mansion, etc. - but ones based off of preexisting IPs. This wasn't seen as a problem here due this IP being so obscure few noticed, and those who did appreciated how it fixed the work by removing the disliked aspects. Later rides would use more topical IPs so would be much more apparent as well as come off as gratuitous and unnecessary.
Fridge Logic: At the end of the Walt Disney World version, Mr. Bluebird tells Br'er Rabbit, "I told you, Br'er Rabbit, there ain't no place far enough from trouble." Except that no, he didn't - the first time we see Br'er Rabbit and Mr. Bluebird, Mr. Bluebird is cheerfully singing along with Br'er Rabbit as he sings about how he's leaving his Briar Patch in search of "adventure" and "a little bit of fun now".
Heartwarming Moments: On the final day of Splash Mountain's operation, guests gathered outside the final drop and cheered every time a log went down it. They even broke out into one last sing along of "Zip-A-Dee-Do-Dah".
Memetic Mutation: Many, many riders have made a game out of trying to get weird poses captured on the on-ride photo at the final drop. A collection of these photos can be found here.
After the ride closed, water from the ride was being sold online for expensive prices.
Newer Than They Think: One of the cornerstone rides of the Disney Theme Parks, many believe the ride has been around since Walt Disney was alive, not an unreasonable line of thought given the heavy controversy surrounding the source film, the natural assumption would be that the ride is The Artifact from a time when Song of the South was newer and far less controversial. In reality, the first Splash Mountain did not open until 1989, more than thirty years after the opening of Disneyland.
Older Than They Think: This was not the first water ride based on the works of Joel Chandler Harris, that was "Tales of the Okefenokee" that operated at Six Flags Over Georgia from 1967 to 1980. Head designer of the ride Tony Baxter even took influence from the Six Flags ride.
Retroactive Recognition: That's Jess Harnell voicing Br'er Rabbit and multiple other characters on the ride. This was one of his first jobs in the industry.
The final scene with the riverboat is easily the most iconic part of the ride, thanks to the impressive number of animatronics singing "Zip-a-Dee-Doo-Dah". Even more impressively, most if not all of them were taken from America Sings.
If it isn’t that, it's the huge drop into the briar patch just beforehand.
Slow-Paced Beginning: Much like Disney's other landmark water ride, the ride begins with the riders traversing through the setting of Splash Mountain before seeing any of the characters.
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