1) Endless repetition of the same
episodes of a sitcom or commercial on television.
2) A radio station playing the same
pop song over, and over and over again.
"I used to think that
chick on the Progressive commercial was kind of cute
the first 50 times I saw it, now thanks to oversaturation, she's just
"Foster the People
is so oversaturated on the radio, I will never
buy one of their albums!"