Stan, still in his pillow costume, gives an impassioned speech from a fake tree stump: Stan: “I am Grumblebeak! And you know what? I faked my death because I was tired of your parades! You ever try to sleep when a marching band plays ‘Sweet Caroline’ at 2 AM? It’s HELL!”
Steve, Snot, Barry, and Toshi decide to clone Grumblebeak using a DNA sample from a feather. They convert the kitchen into a “Jurassic Park but boring” lab. Steve: “We just need a surrogate egg.” Barry (holds up a giant mayonnaise jar): “I’ll lay it.” Snot: “That’s not—never mind.”
End Card: A crude drawing of Stan in a pillow costume, pecking at a donut. Caption: “Grouses before spouses.” American Dad- - Season 21Eps4
When Stan accidentally kills the town’s beloved 200-year-old grouse (the unofficial mascot of Langley Falls), he must pretend to be the grouse to avoid a public shaming—while Steve and his friends try to clone the bird using Snot’s weird science kit.
The town gasps. But then the real Grumblebeak shows up—it had just been napping behind the dumpster. It sees the clones, screeches, and a massive bird brawl erupts. Stan uses the chaos to escape. Francine hands him a beer. Stan, still in his pillow costume, gives an
“You defeated six clones and a zombie grouse by lying terribly.” Stan: “That’s the American way.”
Klaus, jealous of the bird’s attention, tries to expose Stan. He trains a pigeon to carry a tiny sign reading “FAKE GROUSE.” Roger intercepts the pigeon and uses it as a hat. You ever try to sleep when a marching
Meanwhile, Stan dons a crude grouse costume (literally a brown pillow with googly eyes) and perches in the town square. He must learn to “grouse”: peck dirt, make angry cooing sounds, and avoid Francine, who immediately recognizes him but plays along because “watching you eat birdseed off the ground is the most fun I’ve had in years.”
EXT. LANGLEY FALLS TOWN SQUARE - DAY The town is celebrating “Grouse Day.” An ancient, one-eyed, perpetually angry grouse named Grumblebeak sits on a velvet pillow. MAYOR JIM BECKER hands it a tiny key to the city. Stan (to Francine): “It’s a scruffy chicken. Why does it get a parade?” Francine: “Stan, that bird survived three wars, a meth lab explosion in ’87, and Klaus’s attempt to marry it. Show some respect.” Stan rolls his eyes. Later, trying to parallel park his SUV, he accidentally backs over Grumblebeak’s commemorative birdhouse. The grouse attacks. Stan swats it. It flies into a transformer. Poof. Feathers rain down.
“You crushed our progenitor. Prepare to be pecked to death… in a deposition.”
The cloning works too well . Steve creates not one, but six hyper-intelligent, vengeful grouse clones. They speak in unison (British accents) and demand Stan stand trial for “Grouse-icide.”