This is a Valentine's Day-themed episode.
It is shown that Flapjack may or may not have a crush on Sally Syrup.
Island Debut: Blood Island is the native home of Blood Gnats and has many sea shells on its shores.
Island Debut: Laundry Island is a place where sailor's dirty laundry goes to get cleaned up by other stranded sailors. Also mentioned but not seen is Blood Island.
We learn that Captain K'nuckles is in love with Candy Wife.
After the premiere of this episode, a music video played showing Valentine-themed fanart from Deviant Art.
K'nuckles: Har Har Tharsdie!
K'nuckles just made a reference to a Cartoon Network block, Har Har Tharsday.