"The Dogfish Sharks" is the first chapter of Junior Officers.
The Octonauts help a dogfish shark with an injured fin.
Tropes:
- Book Ends: This chapter begins and ends with the characters talking about kelp cakes.
- Establishing Character Moment: Elekai's serious nature is established by his calling Captain Barnacles "sir" twice in the same sentence.
- "Everybody Laughs" Ending: How this chapter ends.
- Meaningful Name: The dogfish shark they help is named Lydia, after the dogfish shark species name Squalidae.
