Infrequent, very mild innuendo. Truffles at one point teases her husband, Mung about "getting cooking", and when they walk off in the opposite direction, Chowder says "Where are you guys going? The kitchen's over here!"
Very, vary hidden strong sex reference in one episode
Endive has a crush on Shnitzel
Panini has a crush on Chowder, she often explains about how much she wants to marry him and have a lot of kids with him
There are a few innuendos scattered here and there which may go over kids heads
In one episode, Schnitzel tells a joke which causes Mung to call him a "naughty boy", when Chowder begins to ask questions about the joke, Mung tells him that they will talk about it when he's older