S7E16: T.: The Terrestrial
Bender. I knew you wouldn't abandon me for much more than a week.
What's happening? Why is his butt glowing?
The electromagnetic intensity of the robot's friendship is causing the herbs in his bowels to bioluminesce with love.
Probably. That's right, ugly.
I'm here to take my friend home.
Whoa, is that a fleam?