Passover is a major Jewish spring festival that commemorates the liberation of the Israelites from Egyptian slavery, lasting seven or eight days from the 15th day of Nisan. The eight-day festival of Passover is celebrated in the early spring, from the 15th through the 22nd of the Hebrew month of Nissan (April 10–18, 2017).
Growing up as kid, we would often watch the 10 commandments and loved the plagues. This cartoon is a play off of the plagues create by God per Moses.
Sidebar - Mark Parisi, the creator of off the mark, married a Jewish woman. The first time he met some of the relatives for Passover, he realized that the sterotypical Brooklyn Jewish Accent portrayed by Perry Mason was real.