- Darwin is cataloging a new species of barnacle when he first appears. Before Origin of Species, Darwin spent much of his career systematizing the taxonomy of barnacles, and was considered one of the world's top experts on such crustaceans.
- One reason Queen Victoria hates pirates so much? Because she's a ninja.
- Cutlass Liz, for pirate history buffs. "Cutlass Liz" was a real-fake pirate, a kind of tall-tale character like Paul Bunyan. To those who've read the unlikely and over-the-top tale of "Cutlass Liz," this movie's depiction of the character is hilariously fitting.
Fridge / The Pirates! In an Adventure with Scientists!