Right after Oscar told everybody the truth that an anchor killed Lenny's brother, Frankie but not him, all of the sharks and sea critters are getting along with 1 another. Don Lino's wife, Mildred has just returned right after being away for quite a super long time. Meanwhile, Master Volt and his evil electric eel henchman named Zippy and Zappy are planning to take control of the entire reef. Lola falls in love with a rich male fish named Reuben and eventually marries him and they both have a son named Stuart. Lenny begins feeling depressed and having flashback memories of Frankie's passing, but eventually gets over it when he watches television, then falls in love with a female vegetarian shark who he dates, then gets married to. In Lenny and Crystal's bedroom, Crystal tells Lenny the super exciting news that she's pregnant and Lenny's gonna become a father to a little boy pup or a little girl pup and Don Lino and Mildred along with George and Mona are gonna become grandparents and Boris and Maria are gonna become an uncle and an aunt as well. Eventually, Lenny and Crystal have little twin shark pups named Sheldon, who's got Crystal's light blue eyes and Sheena, who's got Lenny's light green eyes as well.
