Despite this being a two-parter, there is no "To be continued..." at the end.
Tagline: "Shut UP!" "(Giggle)" "Shut UP!" -two Mega-Lo-Mart employees.
After Hank discovers that Dale's propane is from Mega Lo Mart, he looks and sees Dale climbing the fence. The BBQ not only has no burgers on it anymore, but is completely empty, not even a grill.
This season finale there is a "yeehaw" after the opening guitar riff.
Bobby says that the box of tissue paper didn't come from the Mega Lo Mart, but the box clearly says "Mega Lo Mart" on it.
Hank (after getting his air-horn, starts to leave the Mega-Lo-Mart. He sniffs the air and his eyes widen): Oh no! (Cut to outside and a few seconds later, the top of the Mega-Lo-Mart starts bursting with fiery explosions)
Hank (Throws batteries at Mega-Lo-Mart): Take your damn batteries. I don't want them. Bastards. Wow, you sure get a lot of batteries for four bucks.
Luanne: (Talking to Hank) I hope you like walking to work because I took your car keys, and flushed them down the toilet.
(Hank gets in his truck and drives away. Then, Peggy walks up to Luanne.)
Peggy: Luanne, have you seen my car keys?
Boomhauer: (on phone) Dang ol', man! The dang ol' Mega Lo Mart just went, dang ol' boom, man!
Operator: Sir, I can't understand you.
Boomhauer: Dang...ol'...Mega Lo Mart...dang ol' boom, man.
Luanne: Uncle Hank what's a BTU?
Hank: British Thermal Unit
Luanne: Oh! So there's no bacon in it at all then.
Some stations air this & Death of a Propane Salesman together as an hour long special entitled: Propane Boom: Parts 1 & 2.
Hank mentions that Strickland Propane's address is 135 Lagatos Road.
In this episode "Layaway Ray," Holliday is seen working in the sporting goods department at Mega Lo Mart. He previously owned the bait shop Hank shopped at in "Jumpin' Crack Bass". In this episode it is implied that Mega Lo Mart caused Ray's store to close. In "Jumpin' Crack Bass", while Mega Lo Mart was partly to blame, Ray's bait shop closed after he set it on fire to collect insurance money.
This is Buckley's final appearance alive. Also, this two-part episode was part of a mock promotion by FOX to move the setting of the show to Beverly Hills. Indeed, in the final promo for "King of the Hills," the network was merely annoucing that they were moving the show to Tuesdays, which nearly killed the series.
Queer Nation: This was an activist group for the LGBTQ community.
Gheorghe Zamfir, who Hank mentions in this episode, is a Romanian pan flute musician.
The storyline involving a small business closing after a national chain store starts competing parallels what has happened in many small towns throughout America where a Wal-Mart has gone in.