Your grandfather?! Stay away from him, you dim-witted monkey! You mustn't interfere with the past! Don't do anything that affects anything, unless it turns out you were supposed to do it, in which case for the love of God, don't not do it!
More from this episode
All quotes from this episode →More Futurama quotes · These quotes come from Wikiquote's Futurama pages and are available under the Creative Commons Attribution-ShareAlike License.