On iCarly, Sam’s tooth falls out, leading Carly to take Sam to the dentist. When the doctor gives Sam laughing gas, Sam accidentally reveals that she and Freddie shared a secret kiss with each other. Carly gets angry because friends aren’t supposed to keep secrets, but in the end she is OK with it. Meanwhile, Spencer teaches an art class in a prison, he and the prisoners build a big pair of pants that two prisoners hide in and jump out in Carly’s house and tape Carly Sam and Freddie to three chairs after Freddie threatens to call the Police.