Episodes where Muno is sad

These are the episodes where Muno is sometimes sad. In "Careful", he is in shame because he feels bad after hitting Plex with his snowball. In "Together", he feels guilty after inadvertently biting Foofa. In "Differences", he cries because Brobee and Toodee said mean things about his glasses. In "Teeth", he is scared because his baby tooth is coming loose. In "Art", he cries because Foofa was mean to him when he accidentally ruined her painting. In "Mystery", he is forlorn because he can't find his cowboy hat. In "Shopping", he is scared because he believes that he and Brobee would get a harsh punishment after spilling the cereal on display and breaking the rocket ship that came with it.