"I feel I was denied critical, NEED TO KNOW, information!"
"I am completely out of ammo." baffled pause "That's never happened to me before.."
The epic thinky-face Earl has right before he has the gang spray him with a fire extinguisher.
As Grady and Earl get ready to settle in for the night.
*coyote howls in the darkness* "That a coyote?" "Yup." "Man, he'd better shut up." "Hooooooww-" CHOMP "Yup."
Burt testing out an alternative of killing Graboids with explosives - modified from the first film's timed-cannon-fuse-in-pipe-bomb trick - by sticking C4 on to a remote controlled toy tank. After he hits the detonator...
*massive explosion, sending dirt and guts flying and raining onto Burt* "Memo: Four pounds of C4 may be a little..." *some pebbles rain down on his helmet* "...excessive."
Burt tries out a very powerful rifle on one of the Shriekers, and it basically explodes, and he's all proud of himself... until they find out the bullet punched through the bastard, a stone wall, a metal shed, several barrels, and straight into the engine of their would-be escape vehicle. "I didn't know! How could I have known!?"
A fun little reveal: As Burt is in his rec room talking to Earl, the camera pans around and reveals the head of the Graboid stuffed and mounted on the wall.
When Burt first encounters El Blanco right outside his compound after the government agents banned him from killing graboids he has a hilarious one-sided conversation with the white graboid:
Burt: Well, call meIshmael. Now if you'd just kindly lean your endangered carcass over my property line. *readies rifle* Just call your untimely demise self-defense.
In the third film, Burt, under the assumption that eating makes Ass-blasters reproduce like Shriekers, blow up his compound to keep one from getting into the food supply. Just as the explosion dies down, he finds out that eating makes Ass-blasters comatose. His reaction is what sells it.
Burt: What sort of supreme being could condone such irony?
The final scene in the third film when Burt drives off and leaves Melvin stranded on the boulder. Melvin cursing him even through the credits makes it even funnier.
After Burt gets eaten and Jack tricks the Graboid into hitting the underground wall of his Compound, Jack proceeds to cut the Graboid open with a chainsaw much to Jodie's protest. (She didn't know Burt was in there.) Out comes Burt covered in slime, nonchalantly taking his sunglasses and putting them on saying the following line.
In the first episode, where Tyler Reed convinces Burt to start running a survival course to cash in on Perfection depending on Graboid tourism by pointing out that, seeing as how he's living in a hole in the ground and eating nothing but wild cactus with tomato sauce, he can use the money. Burt looking at the forkful he was about to eat then the way he asks if people would really pay to learn how to eat this stuff just sells it.