Mighty Mom and Dyno Dad / Knighty Knight - S2-E9
Deliberate mistake: Timmy's eyebrows show through his armor.
Mighty Mom and Dyno Dad / Knighty Knight - S2-E9
Continuity mistake: In the end scene of Mighty Mom and Dyno Dad (the fight scene), notice the sky is a night sky but later when they loose their powers, Timmy's mom says let's enjoy our nice lunch and it suddenly becomes midday.
Answer: It's a joke. One cannot list all forms of entertainment. The list would never end. The boys were trying to convey how superior they were to the others, by saying that they were too good for comedy.