* ''A Hero for Earth'': Wheeler accidentally activates his ring by saying ''fire'' offhandedly, and blasts the floor of the Geo Cruiser with it. A small fire starts, and Gi is forced to rush to extinguish it with her ''own'' ring.
-->'''Ma-Ti''': Wheeler! Don't say "fire" until you mean it!
* ''Utopia'': Though produced and released in 1991, the writers and artists all still imagining street gangs as looking (and acting) like a cross between the villains in ''[[WesternAnimation/JemAndTheHolograms Jem]]'' and the three punks at the beginning of the 1984 film ''[[Film/TheTerminator The Terminator]]''. Apparently none of them had seen any films on inner-city gangs made after the year 1989, such as ''[[Film/BoyzNTheHood Boyz N The Hood]]'' or ''[[Film/DoTheRightThing Do the Right Thing]]''.
* ''The Conqueror'': Zarm's yell when Captain Planet tosses his spacecraft into a volcano is just perfect. My goodness, did Sting ''really'' ham it up.
* ''Heat Wave'': Dr. Blight's OhCrap moment when she realizes her plan failed.
-->'''[=MAL=]:''' Someone must have broken your force-field!
-->'''Dr. Blight:''' Impossible! (''looks back to see a huge wave rush towards her speedboat'') [[BigWhat WHAT?!]]
* ''A Formula for Hate'': It's obviously [[{{Narm}} not supposed to be]], but the nonchalant way the doctor says, "There are only a few ways to contract the virus using drugs with needles, unprotected sex, or that blood transfusion a few years back..." without a single pause is just... ''[[CrossesTheLineTwice priceless]]''.
** And of course, "[=AIDS=] ''stinks!''"
* ''The Guinea Pigs'': Suchi giving Dr. Blight [[http://vignette3.wikia.nocookie.net/captainplanet/images/8/8d/1gpigs3.png/revision/latest?cb=20150910200413 a "special haircut"]] at the end of the episode.
* ''Unbearable Blightness of Being'': Due to the real Dr. Blight [[IdiotBall not telling him about her plan]], MAL believes Blight!Gaia's every word. [[PunctuatedForEmphasis Every. single. one.]] At one point, he's even convinced that "Blight" has gotten the Planeteers on their side.[[labelnote:His comment?]]What a woman! What a doctor! What a villain![[/labelnote]] This also backfires on the real Blight spectacularly in the episode's ending.
* Wheeler in ''[[TheComplainerIsAlwaysWrong Wheeler's Ark]]'': "What's next? Endangered ''rocks''?"
* ''Bug Off'': Captain Planet makes a mess in Skumm's lab, happily singing his own version of "I've Been Working on the Railroad".
* ''Jail House Flock'': Captain Planet is sent to jail. It's a real episode of this series, mind you.
* ''Hollywaste'': Dr. Blight kidnaps her good twin sister Bambi and prepares to steal her identity:
-->'''Dr. Blight''': Time to walk a mile in my sister's shoes.
-->'''MAL''': Her ''shoes'', maybe, but not her jeans, judging by the rate that you are eating those donuts.
-->(''GilliganCut to Dr. Blight trying to put on Bambi's jeans and ripping them'')
** In the same episode, when Dr. Blight pulls a switch on Bambi, she engages in BadBadActing. They say "We'll get KathSoucie to loop over" and Linka says "I hope they get this Soucie person." Extra funny because of who their voice is.
* ''Numbers Game'': while the pollution runs rampant and animals are all apparently extinct, the Planeteers, now in their 40s, have to call out Captain Planet, which starts out normal enough... Until he appears as somewhat more grouchy than years ago.
--> '''Captain Planet''': By your powers combined-! ''(hacking cough)'' Alright, waddaya want now?
* ''Frog Day Afternoon'': when the other Planeteers find a shrunken Linka's and Wheeler's empty clothes. GettingCrapPastTheRadar, much?
-->'''Ma-Ti''': Where would they have gone?
-->'''Kwame''': Without their clothes?
* ''A Good Bomb Is Hard to Find'': Hitler ([[NoCelebritiesWereHarmed with a Fu Manchu mustache]], because if they didn't, they'd get in trouble with the censors and other MoralGuardians) inflicts pain on Captain Planet by ''staring at him''.
* At the end of ''Skumm Lord'', Captain Planet gives Verminous Skumm a choice between going to jail or going to the zoo. Skumm picks the zoo because they never have any rat exhibits there and he feels that being incarcerated at the zoo could start a trend.