I wonder why mom sent me to get milk on my birthday.It is a Bob's birthday! However, somehow everyone forgets about it or doesn't even know that it is his birthday. Everyone treats it like it is a normal day. Bob ends up shocked, surprised, or worse - depressed, about the thought of everyone forgetting that it is his special day. As it turns out however, the people knew about Bob's birthday! They just want to keep it a surprise. But because Poor Communication Kills, this may lead to some sort of plot that involve Bob trying to face the fact that everyone has forgotten his special day.
Dee Dee, "The Laughing" episode