- This is the second time Mayor Goodway and Farmer Yumi wear their scuba gear and dive underwater.
- Chickaletta went underwater for the first time.
- A sea cucumber made its first debut.
- This is the second time the Turbots were in trouble of a volcano.
- The first was "Air Pups".
- This is the second time the beach got closed for safety.
- The first was "Sea Patrol: Pups Save a Shark".
- The Diving Bell was very high in the sky so fast from the blast of the volcano.
- A new island had appeared because of the volcano. Nobody knows what they're going to name it.
- It doesn't appear in later episodes that include the beach.
- Marshall's one liner, "Sorry, I'm feeling kinda blue." was also used in "Pups Save Jake's Cake".
- Marshall admits that he still has a phobia of flying really high despite getting over his fear in "Air Pups".
- Chase isn't seen at the end.