Who let it slip to the Mutants that Snarf was all alone in Cats Lair with a cold? And what episode was it?
Eye of the Beholder - Wilykit (and Kat) in front of two Trollogs. The Trollogs told Monkian.
That is correct!
Ah my favorite episode and I had to work today. :: shrugs ::
I’m kicking myself here as well for not logging in before… it was kinda easy.
I’ll post one tomorrow night, too late to think of one tonight.
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Sorry for the delay, had some issues that kept me from the internet. Without further delay:
Name every ThunderCat vehicle as well as every (permanent) base/fort/dwelling and the first episode in which it appeared.
Vehicles:
The Royal Flagship - Exodus
Thunderian Ships - Exodus
The ThunderTank - The Trouble with Time
The Space Boards - The Time Capsule
The Feliner - The Feliner Part 1
The ThunderClaw - ThunderCats Ho part 1
The Hovercat - ThunderCats Ho part 1
The Thunderstrike - Mumm-Ra Lives Part 2
Snarfers Ship - Mumm-Ra Lives Part 4
The Whisker - Return to Thundera Part 3
Permanent Fort Base Dwelling:
The Cats Lair - Berbils
Tower of Omens - Mumm-Ra Lives Part 3
The New Cats Lair - Return to Thundera Part 1 (counstruction was first shown)
Very close Code…
You may want to double-check the ThunderTank’s first episode. Also, there is one other base/dwelling. Otherwise, you’re right on.
I think the tank was first mentioned in “Berbils”.
There was a sketch on the paper in Berbils of the ThunderTank but it didn’t make an official showing until The Slaves of Castle Plundarr.
I have no clue what other dwelling you’re talking about unless your talking about the old Cats Lair where Lion-O went back in time and spoke to his father in The Fireballs of Plundarr.
Actually the sketch was of Cat’s Lair and here’s a quote from “Berbils” taken from IMDb’s website.
Wilykat: Wow. You did it. A Thundertank. And you built it just with the junk you scrounged from the spaceship?
Panthro: Salvaged. The equipment I salvaged from the ship.
Tygra: I must admit, Panthro, I didn’t think even you could do it.
Panthro: Are you kiddin’? You’re looking at the Master Scrounger of the Universe.
Also, Lion-O went back in time in the episode “Return to Thundera.”
Berbils is correct for the Tank, while Lion-O and Snarf were away, Mumm-Ra caused the boulder storm. Panthro took shelter in the Tank and then used it to free the other ThunderCats from the spaceship wreckage.
The other base is the Cat’s Lair from Old ThunDera. However I don’t remember it being in the episode Return to ThunDera. But I could have overlooked it.
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I just rechecked, the old lair wasn’t shown in Return to ThunDera. A city was, but not sure if that is a ThunderCat city, or just a city that Claudus was in.
The lair was shown in a dream that Lion-O had. Find the episode and all the questions will be answered.
The only thing that comes to mind is part 1 of “Thundercats HO!”.
Yep. Lion-O’s nightmares about leaving ThunDera in Part 1 included Panthro saving Lion-O from a column inside the lair.
Lady got the episodes for the Tank and old Lair. Code got the rest of them, so I’m thinking it is Code’s turn?
I agree and I’m looking forward to your question Code. 
What was Lion-O doing that made Mumm-Ra accuse the mutants that they had given up trying to capture the sword of omens? When Slithe said they had a plan, what empty threat did Mumm-Ra make? And what was the name of the episode?
I’m guessing it’s in “The Mountain”, when Lion-O has taken to rock-climbing. But I don’t recall Mumm-Ra’s empty threat.
Does he threaten to reduce Castle Plun-Darr to rubble or something (and the mutants with it)?
Yeah, it’s “The Mountain”. Mumm-ra complains that Lion-O is so bored by the pitiful threat posed by the Mutants that he’s taken up rock-climbing to inject some danger into his life. He threatens to destroy Castle Plundarr, and banish the mutants from Third Earth. “You will roam the galaxy for all eternity!!!”
Mumm-ra’s always threatening folk with fates that will last “for all eternity”. Surely they’d die of old age after a few decades?
Yep! You guessed it all!