Movin' to Atlantis

Movin' to Atlantis is the 1st episode of Livin' in Atlantis

Plot
SpongeBob, Patrick, and Mr. Krabs, are at the Krusty Krab with Customers, Sandy, Harold, and Duke Toro, But Then a a nutomic bomb (half nuclear power, half atomic power) hits Bikini Atoll, aqnd totally destroys Bikini Bottom, beyond repair, so the characters decide to relocate to Atlantis, and Sandy build new homes for them there, Then Duke Toro tries to get them out of Atlantis with A Nutomic bomb to destroy the street that their homes are on, but Sandy redirects the bomb and it destroys Duke's house on Yellowtale Avenue, and in the end, Duke becomes frenimies with the main cast, startiing with a fresh Krabby Patty at the new Atlantian Krusty Krab

Trivia

 * Mermaid Man and Barnacle Boy mention being happy to be back in their home town, leaving proof, that they're Atlantian
 * Debut appearence of Duke Toro