The "Super-Villain Shuffle". A guy as white as Doug shouldn't be able to pull off rapping, but it ends up awesome.
Until she fails the high note, Rebecca's operatic singing of the National Anthem.
Batman's sacrifice in The Dark Knight Begins Rising where he becomes Bat-Jesus.
Tacoma's acting as the Joker and Alfred. While all Donnie and Rebecca do is ham, snark or just look bored, he puts in seriously good, almost poignant performances.
Demo Reel Annoys Rob Paulsen
The fact that ROB PAULSEN is in this video, and improvises is awesome!
And Doug is able to keep up with him with both staying absolutely straight-faced. If it wasn't for the video's title, you'd swear it was all scripted.
When Donnie refuses (out of well-intentioned ignorance) to change Rebecca's Megan Fox character from a "slut", she slams his head down on the table so hard it makes him dizzy.
When Donnie accidentally slut shames Rebecca in an argument and brings up her love scene in Titanic, she goes all out and explains that she was reasserting her sexuality on her own terms. Good response anyway, but with everything we find out later about her issues? You Go Girl.
And then there's Rebecca's successful attempt at getting Donnie completely on her side.
Megan Fox!Rebecca: Oh sure, I may like fixing cars in the rainy mudpits of the California Spring Break, but there's more to me than that. My father always wanted a boy, but he died while on a mission in North Korea. Since then, I decided to dedicate my life to avenging his death. I may act like a tomboy, but I'm also a woman, with feelings and longing and regret. I'm more than just a object, I'm a human being."
In an effort to save Donnie from dwelling on his past for too long, Tacoma and Rebecca decide to use the Demo Reel name to make a sequel to Blue Patches, the film Donnie's late mother starred in, before he comes back. ... but this time, they take it seriously! This results in a full 4 to 5 minutes of the episode spent on scenes from a movie with no comedy! For the first time, Demo Reel makes something good! Doubles as a Heartwarming entry.
Between the epic beatdown Rebecca, Donnie and Carl give the SWAG agent in succession, Donnie's epic rant about clinging to hard to past badness, and Tacoma's writing of the above, damn near the entire episode is a CMOA.
Donnie's attire after returning to the studio. The dude looks like he took on the Amazons and won.
Donnie holding the family that was holding him captive at knife point and giving them a well done Reason You Suck Speech.
The beginning of the scene is particularly badass. The family rushes in after realizing they forgot to dope Donnie, only to find his bed missing. Then Donnie slowly shuts the door and rattles off the final line in a way that makes talking about a muscle relaxer come off as a Pre-Asskicking One-Liner.
Donnie: You people! You never mean anything by it when you really think about it; itís when you donít think about it that your inner dicks come out!