From the series:
"Your lives have ended. What you do with your new lives is entirely up to me. That's the theory, anyway."
"It's the beginning of a brand new day!"
About the series:
"A tsunami of blood, guts, and stone-cold nihilism make GANTZ the most notorious and controversial anime series of the 21st century."
— Advertising blurb for the series
"R18+: Strong animated violence, Strong animated sex scenes, High level theme, Strong coarse language"
—Australian rating for Gantz DVD box set