He wants 10,000 tough guys, and he wants 10,000 soft guys to make the tough guys look tougher. And here's how he wants them arranged: Tough, tough, soft, tough, soft, soft, tough, tough, soft, soft, tough, soft.
A hilarious slapstick moment happens a little earlier. After the official announces that they lost the Simpsons, Cargill throws his binoculars at him in anger... only for them to bounce off the dome and smack Cargill in the face.
"Spider pig, spider pig / Does whatever a spider pig does."
It was apparently a common occurrence in the theaters, for the entire audience to break out into song because of its popularity in advertising, making this moment even more hilarious.
"Yes, we even advertise during movies now."
Homer trying to scare people who are trying to break through the door by making chainsaw noises.
Stand back, I've got a chainsaw! NEM-NEM-NEM-NEMNEMNEM. NE-NE-NE *People look through holes in door* nem-nem-nem-neee.
The deleted scene where Homer hitches a ride in the back of a sausage truck. He gets out and waves a friendly goodbye to the driver. The completely unsuspecting driver then decides to check on his sausages. He walks around the truck singing a little song about checking on his sausages, opens the door... cue Big "NO!".
"Lisa's got a boy-friend, that she'll never see agai..." *PUNCH*
Martin beating the hell out of the three bullies at the end.
Santa's Little Helper appears at the end of the film (having been absent the whole movie) and Bart hugs him while saying "You're alive! But how?" and Santa's Little Helper barks in response with subtitles added.
Santa's Little Helper:I did things a dog shouldn't do. It will haunt me forever.
Bart: I love you too.
After the townspeople fail to escape the dome thanks to Homer.