Ghost Bride : Gerald tells the story of the Ghost Bride, Cynthia Snell, and how she brutally murdered her fiance after he left her waiting at the altar and married her sister, who she also murdered. When the police came to the scene, she was still there, sitting in a rocking chair, in her wedding gown, tossing rice on the bodies as she hummed the 'Wedding March'. She also happens to be buried in the cemetery near the gang's neighborhood, and supposedly comes back from the dead every anniversary of the murders. Arnold, Gerald, Eugene, Harold, Sid, and Stinky are scared twice by Helga and Curly, each pretending to be the Ghost Bride (Helga because she wanted to get back at the boys for not inviting her, and Curly because he was jealous he didn't get to tell a ghost story). At the end, the real Cynthia Snell finally appears.
Gerald vs. Jamie O : Gerald gets jealous because he thinks Jamie O. is trying to steal the girl he likes, when, actually, the girl likes Jamie O, and using Gerald to get close to him.
Carly and Freddie were best friends. In the series premiere, iPilot , it was revealed that Freddie had a crush on Carly from the moment he met her. He also had said he loved her and tried to get Carly to be his girlfriend, but she always rejected him in a sort of "not now" statement. Freddie's crush on Carly grew more throughout the second and third season. In ISaved Your Life , Carly fell in love with Freddie when he saved her life from an oncoming taco truck. Carly and Freddie shared their first kiss and dated for a little while in that episode, but broke up in the end, because Freddie didn't want to take advantage of Carly if she only liked him, because he saved her life, but they agreed to get back together if Carly still had feelings for Freddie and after the "hero thing" was over. In Season 4, Freddie's crush on Carly had died down a little. In the fifth season, there were hints to Carly and Freddie still having feelings for each other, especially with Freddie liking Carly, because he asked her, "Is it too late for you to love me?" In the series finale, IGoodbye , Carly kissed Freddie just before she left to go to Italy with her father. Freddie returned the kiss and the kiss possibly proved their love for each other.