30 Day Futurama challenge day 11: Futurama Cynicism vs Sentimentality

Good news, everyone! The September challenge is gonna be Futurama themed!

Today is gona be about Tone, which is a scale on which Futurama can express tremendous variability from one episode to the next, or even within the same episode. Sometimes Futurama can be glib and cynical, casually dispatching a character for a gag, other times it can be tremendously sentimental, making the emotional bonds between characters the focal point of a story.
So, todays prompt is, do you prefer Futurama to be cynical or sentimental? Any episodes that straddles the line perfectly?

NOTE: This prompt focuses more on the “cynical” side of things, as there will be a “best/schmaltziest Emotional episode” prompt later on

Bonus prompt: What are the darkest jokes from the show you enjoy?

Cancellation Bonus prompt: What crossed the line into being too cynical or mean spirited?

Revival Bonus Prompt: How cruel should bender be, and how much empathy should the show have for Zoidberg, specifically?