The Stoopid Monkey logo is different on every episode.
Mr. Green's Dialect Coach - Sarah Gellar Mr. Green's Hygiene Coach - Mila Kunis Knows What Was Blurred Out in Ep. 6 - S. Gold
The fourth season's first ten episode titles forms the message: "Help me. I'm trapped in a DVD factory. They took my thumbs. Two weeks without food. Tell my mom I love her, but not in that way. Love, Maurice. PS: Yes, in that way."
The fourth season's last ten episode titles forms the factory's response: "Dear Consumer, we are a humble factory. Maurice was caught unionizing our labor. President Hu forbids it! Due to constraints of time and budget, the ramblings of Maurice cannot be erased, so sorry. Please do not notify our contractors. Especially the animal Keith Crofford!"
(The titles are scrambled due to release date/production schedules)
During the "Williams Street" production bumper at the end of the credits, a metal chiming sound can be heard. These is the exact same sounds used in the bumper for Jack Webb's production company, Mark VII Limited, in the late 1960s.
Monkey Wrangler - Sarah Gellar Monkey Enthusiast - Mila Kunis Monkey Fetish - Shannon Gold
Super Hot - Sarah Gellar Stunning - Mila Kunis Good From Far, But Far From Good - Shannon Gold
Tea Party Advisor - Sarah Gellar T-Ball Advisor - Mila Kunis Tea Bag Advisor - Shannon Gold
The end credit "music" is "The Gonk", an instrumental written in 1965, and used over the end credits in 1978's "Dawn of the Dead". For "Robot Chicken", it is performed as chicken clucks.
In the opening credits for the first five seasons, a mad scientist acquires a chicken's corpse and experiments on it, resurrecting it as a half-mechanical creature. The scientist then straps the robot chicken into a chair and forces it to watch television.
SPOILER: The sixth season opening credits has the robot chicken resurrect the mad scientist as a cyborg after having killed him in the fifth season finale Fight Club Paradise (2012), and then strapping him to a chair and forcing him to watch television.
The eighth season opening credits has the Robot Chicken frozen in ice, in a futuristic era. He is found by the mad scientist's descendant, who thaws him out and revives him, then forces him to watch television.