As Vegeta would say, "Being a good webmistress is like being a photographer; you have to search for the right moments..."
Okay, Okay..so maybe he didn't say it QUITE that way, but it's close enough. Every villain has embarassing situations, and as much as I hate to admit it, even Cell had bad moments. But unlike most villains who sapped their's up looking UNBEARIBLY stupid, I think that Cell played his off quite nicely...even made the viewer feel sorry for him. The following is a list of Cell's famous (and not so famous), scenes in all of his forms.
::Imperfect Cell: form 2::