Season 8

Ok, so someone in the ESB made something similiar to this. So uhh. Simple idea: you give me a quote from an episode (don't tell the name of the episode) and then i reply with my guess on what the episode is and then YOU reply to me and tell me was i correct

Why did Frederick push his own mother down the stairs?

Season 8 would have been much better if the finale was Homer's Enemy instead of The Secret War of Lisa Simpson