Just Three of the Octonauts

Just Three of the Octonauts is the 4th episode of Season 29.

Summary
Captain Jake, Izzy, and Cubby become honorary Octonauts and help the crew with some marine research.

Plot
The episode begins at

Trivia

 * Captain Jake and his crew, with the exception of Skully, join the Octonauts as honorary members.

Transcript
Captain Jake (Narrating): Just Three of the Octonauts.