After being inspired by a cartoonist during Career Day at Springfield Elementary, Bart creates an Internet cartoon based on Homer's anger problems called Angry Dad. Meanwhile, the Comic Book Guy has his hands full when Marvel Comics legend Stan Lee begins harassing him and scaring off his customers.
- Adam Westing: Stan Lee voices a deranged version of himself."He can't be the Hulk! I'm the Hulk!"
- Actually, That's My Assistant: A pretty pathetic example when Kirk speaks at career day.Kirk: How many of you have gone back to your car only to find a coupon on your windshield?
Nelson: (visibly bored) Are you the guy who puts them there?
Kirk: No, I'm his assistant. But one time, he was sick and he let me do it.... I totally messed it up.
- Art Shift: The Angry Dad web cartoons are produced with digital ink-and-paint (to emulate the look of an online cartoon), while the rest of the episode uses traditional cel animation, and was the last full season of the series to do so.
- Author Avatar: Bart creates a cartoon about his father, just like how Matt Groening based the Simpsons on his own family.
- Biting-the-Hand Humor, Ink-Suit Actor, and Take That!: Bart's voice actor for the Angry Dad Internet cartoons is based on Dan Castellaneta (the voice actor best known for playing Homer Simpson), who gets the job for capturing the spirit of Angry Dad ("Whoo-hoo! When do I get paid?"), but won't be paid until 2012 ("D'oh!")
- Body Horror: When trying to suppress his anger, boils keep popping out of Homer's neck until a whole bunch of them spring up.
- Bland-Name Product: Betterthantv.com is pretty obviously Newgrounds (back when they were more known for cartoons than games).
- Bread, Eggs, Milk, Squick:Homer: I gave up anger forever. From now on, I'm into candles, soft music, and horse tranquilizer.
- Buffy Speak: "I'm a rageaholic, and I can't live without Rageahol!"
- Cheek Copy: One of the employees at betterthantv.com is seen the background Xeroxing his butt.
- Composite Character: Parodied. Bart claims Angry Dad to be a mix of three dads: his dad, Lisa's dad and a little of Maggie's dad.Lisa: No, it's just Dad.
- Epic Fail: Homer tried turning off the TV to avoid watching The Boring World of Niels Bohr with an ice cream sandwich and then Homer starts to wonder where the remote is.
- Exactly What It Says on the Tin: Bin Laden in a Blender
- Hair-Trigger Temper: Homer's anger problems inspire Bart to create Angry Dad.
- Hulking Out:
- "HOMER MAD! HOMER SMASH! GET REVENGE ON WORLD!"
- Stan Lee tries to transform into the Hulk, claiming to have actually done it in the past.Stan Lee: He can't be the Hulk! I'm the Hulk! [rips shirt] Mrrrroaarrr! Come on, damnit, change! Mmmmm!
Comic Book Guy: Oh, please! You couldn't even change into Bill Bixby!
Stan Lee: Mmmmm! Aw, forget it. Mm-mmmm! I really did it once!
Comic Book Guy: [walking Stan Lee in the store] Yes, yes. I just wish you had the power to leave my store.
Stan Lee: [off-screen] Mmmmmh!
Comic Book Guy: You almost had it there.
- Halfway Plot Switch: This episode starts out about comic books before being about web cartoons, although it eventually ties back together.
- Hands Go Down: When the creator of the cartoon Danger Dog visits Springfield Elementary, the children are given the chance to ask questions:
- Geoff Jenkins: Any questions?
Student: What state is Danger Dog set in?
[all but Bart lower their hands]
- Kick the Dog: Homer randomly starts punching Snowball II and wasn't even aware of it until Marge pointed it out.
- Leaning on the Fourth Wall: As Bart becomes frustrated by Homer not losing his temper (thus not giving Bart material for Angry Dad), he says "Don't make me do another clip show!", referring to the last episode, "Gump Roast", which has been, to date, the last Clip Show ever done on the show.
- Magic Pants: Worn by Homer Mad and lampshaded by Bart.
- Noodle Incident: Stan Lee apparently turned into the Hulk once.
- Non-Indicative Name: The Danger Dog Easter Special has nothing to do with Easter.
- Not So Above It All: Despite criticising Angry Dad, Lisa's still enthusiastic about the idea of a cameo in the cartoon.
- Lampshaded by Comic Book Guy who calls the Angry Dad character this in every frame, but still considers it worthy of being sold in his store.
- When Bart critiques his Danger Dog ripoff comic, everything except for Bart becomes pixelated, which gets jarring when he picks up the comic.
- Bart loses his lower torso for a few frames during Milhouse's "Looks like the bubble burst" line near the end.
- Maggie's bow shifts from its usual blue, to red, then back to blue again during the scene at the hospital between cuts.
- Rage Breaking Point: Homer finally lets his suppressed anger loose when he falls into a kiddie pool filled with green paint.
- Reality Ensues: Homer doesn't really Hulk Out, he just gets really angry. And despite that, he's incapable of causing any significant property damage and is easily subdued by the police.
- Shout-Out: Bart's latest attempt to drive Homer furious involved green paint and made Homer look like the Hulk.
- Show Within a Show: Angry Dad, When Dinosaurs Get Drunk, and Danger Dog.
- Stalker with a Crush: The Comic Book Guy is this towards Lynda Carter:Comic Book Guy: The restraining order says "No-no", but her eyes say "Yes-yes".
- Take That!:
- The Internet Is for Porn: Angry Dad is ranked #1, excluding porn. Including porn, it's #10,000,000,000,000.
- The Thing That Would Not Leave: Stan Lee doesn't seem to leave the comic book store.Bart: Stan Lee came back?
Comic Book Guy: Stan Lee never left. And I'm starting to think his mind is no longer in mint condition.
- What You Are in the Dark: When Marge suggests Bart rips off Little Dot because nobody will know or care, Bart says he will know.
- Where the Hell Is Springfield?: Lampshaded. When the creator of the cartoon Danger Dog visits Springfield Elementary, the children are given the chance to ask questions. Hundreds of hands go up. The first question is "What state is Danger Dog set in?" "Michigan." All but Bart's immediately goes down again.
- You Monster!: Homer yells this at Bart before strangling him from finding out he created Angry Dad.