Potty Mouth / "L" Is for Love
S2, E15: When the kids hear Lily curse, they're worried they have been a bad influence on her.A love letter addressed to "L" Loud shows up at the house and the family has to figure out who it was meant for.

S2, E15: When the kids hear Lily curse, they're worried they have been a bad influence on her.A love letter addressed to "L" Loud shows up at the house and the family has to figure out who it was meant for.