At one point the Green Hulk's eyes were red.
Goof: In the shot where the dark being is blasting the Green Hulk, an animation error makes him look like the Gray Hulk (with green skin).
Green Hulk: (To the Alien Being) Eat green!
Gray Hulk: With a little gray matter mashin' to go with it!
She-Hulk: (To the Hulks) Up an' at 'em, guys! We've got a situation Green AND Gray!
Doctor Strange: You will be stopped!
Alien Being: Obviously not by you!
She-Hulk: I don't know what's worse: this ride, or watching you eat that goopy garbage!
Bruce: Hey, it's brain food! And besides, I am eating for three, remember?
Gray Hulk: Now, it's time to...
Green Hulk: ...kick monster butt!
Gray Hulk: For once, you took the words right outta my mouth!
Some of the images in Bruce's mind are flashbacks to the episodes "Return of The Beast" (1), "Fantastic Fortitude", and "Darkness and Light" (3). A few images from the original opening sequence can also be seen.
Iron Man makes a cameo as a doll and Spider-Man makes a cameo in Hulk's head.
She-Hulk's nicknames for Dr. Strange include Dr. Weird, Dr. Bizarre, Dr. Peculiar, and Dr. Stranger.
This episode is loosely based on the "Dark Hulk" storyarc from Incredible Hulk #s 370-371, written by Peter David.
The prize She-Hulk wins at the strong man hammer game is a plush toy of Iron Man.