Observing the thunder and lightning at the beginning of the episode, Greg remarks the storm must be about a mile away because the sound of the thunder took 4 seconds to reach them after the lightning flash. It is roughly true that the thunder generated by a lightning flash will take 4-5 seconds (depending on atmospheric variables) to reach an observer 1 mile away.

At 2:23 on the DVD, Kim's mouth movements are unsynchronized with her words.

Commenting on the current dry spell, John remarks that it's a good thing they built the irrigation dam. This may be a reference to the dam started in "Top Cave, Please".

At 4:13-4:22 on the DVD, several prehistoric life forms are disturbed by the forest fire: a Triceratops, a plesiosaur of some type in a swamp, and a Pteranodon. Another Triceratops is seen at 9:58.

Greg suggests they make a fire break to stop the forest fire, which he learned about in Boy Scouts. He is referencing the Boy Scouts of America.

As they prepare to fight the fire, John refers to his and Gorok's families as "smoke eaters". This is a slang term for "firefighters".

Gorok remarks that he would rather face Konga than a forest fire. Konga is the name of a theropod dinosaur (possibly a Tyrannosaurus) that appeared in "What Goes Up".

At 6:53 on the DVD, as Greg and Tana use Glump to pull the water wagon across the ground to spray the vegetation in an attempt to keep the fire away, notice that Digger is lapping at the spraying spigot as the wagon moves!

Somewhat inexplicably, Kim remarks to Gara that she hopes the forest fire didn't start with someone leaving a campfire burning (we know it was started by a lightning strike). Seems like a lame attempt to shoehorn in a warning to the child viewers of the show to always be sure campfires are completely extinguished before leaving one unattended.

Upon finding the human footprints near the starting point of the fire, Gorok remarks they are not the footprints of his people. How does he know? Can he really tell that specifically merely from some footprints in the dirt?

After the fire is finally defeated, Greg remarks, "Boy, I could eat a bear!" to which Katie responds, "Don't say that, one might be listening." Katie may be referencing the prehistoric bear that caused some trouble in "Top Cave, Please" (though she was not present for that incident).

John's makeshift fire extinguisher of adding acid and limestone to the bladder of the water wagon to build up pressure is roughly plausible. 

Memorable Dialog 

meatless Tuesday.wav

the Gorok-Butler fire fighting brigade.wav

could've passed for Wolfman.wav

we're still mighty grateful for the home you've given.wav