[[quoteright:214:http://static.tvtropes.org/pmwiki/pub/images/eureeka_promo_5866.png]]
[[caption-width-right:214: Top row: Quagmire, Magellan, Bogge, Middle row: Mr. Knack, Eureeka, Batly, Bottom row: Emma, Cooey, Webster]]

''Eureeka's Castle'' was a children's show that aired on Nick Jr. from 1989 to 1995 created by RLStine. It followed a similar format to ''Series/SesameStreet'' in that it was a {{Puppet Show|s}} that also featured animated and live-action segments. In its original run, it was two hours long. Between 1999 and 2004, {{Noggin}} picked up a shortened version of the show.

The main puppet sketches took place in a castle owned by a witch named Eureeka, and featured characters such as Magellan, the dragon, Batly, the bat, twin monsters who lived in the moat, and Mr. Knack, a peddler who worked in the courtyard.

! This series contains examples of the following tropes:

* AxeCrazy: Emma, in the sketch where Magellan gets a cold.
* BigEater: Emma, who usually has to apologize for eating all of the food.
* BlindWithOutEm: Batly is even clumsier when he loses his glasses.
* ButtMonkey: Batly always finds himself hitting walls and falling over, as well as continually losing to other people even at the things he's [[SmallNameBigEgo supposed to be good at]].
* CatchPhrase: Batly's "I meant to do that" (when he crashes), and Eureeka's "Aw, wand whiskers!" (when one of her spells fails to do what she wanted it to).
* CloudCuckoolander: Most of the characters to some extent, but especially Mr. Knack.
-->'''Mr. Knack''': Hm... this phone was working until I [[BlatantLies fixed]] it.
* FailureIsTheOnlyOption: Bogge and Quagmire will never successfully con Magellan out of his peanut butter sandwich. Ever.
* GentleGiant: Magellan, and the giant who turns the castle's key. Both tower over the other characters but are very friendly, especially Magellan, who is one of the nicest characters on the show.
* {{Hammerspace}}: Mr. Knack's cart. In at least one episode, you can peer inside and see some items, some relevant and some not, floating in a rainbow-colored void.
* HiccupHijinks: Several times, and always involving Magellan, whose hiccups can shake the whole castle.
* HollywoodToneDeaf: Batly, although he can sing well too at times depending on the episode.
* IAmSong: A couple.
** Batly gets one, talking about how much of a [[TheKlutz Klutz]] he is ([[BlatantLies not]]).
** One sketch gives one to the entire cast, with each verse focusing on a different character.
* IneptMage: Eureeka usually ends up failing her spells except in the bumpers. One example: she tried to make an ice cream float with magic and ended up with the ice cream floating in the air.
* IWantSong: "Put it on The List" sung by Bogge and Quagmire in the Christmas episode
* JerkWithAHeartOfGold: Batly, especially when it comes to his friendship with Magellan.
* TheKirk: Eureeka, often when [[SiblingRivalry the Moat Twins fight]].
* TheKlutz: Batly, whose CatchPhrase is "IMeantToDoThat". Magellan, who DoesNotKnowHisOwnStrength also qualifies.
* SiblingRivalry: The moat twins pretty much always annoy each other and fight except for when they team up to try to steal Magellan's sandwiches.
* SickEpisode: Magellan gets a cold in one sketch. The following three sketches also relate to health; one is a "Them Bones" music video, one involves a bird getting laryngitis, and one is about one clay guy PlayingSick to get out of building the boat.
* {{Sidekick}}: Superdragon's "Super Tail" (Magellan's tail in a cape). The tail usually qualifies anyway because of its seeming autonomy.
* SmallNameBigEgo: Batly thinks he's this amazing genius, but is really just a klutz who's inept at most things he tries. His IAmSong plays this up completely.
* SneezeOfDoom: Magellan's sneezes shake the whole room and himself due to his size.
* StealthPun: Batly wears glasses and crahes into things alot while flying. A play on the saying "blind as a bat" .
* StopCopyingMe: Bogge ends up copying Quagmire because she told him to copy her dance moves.
* SuperHero: Superdragon(dragon-dragon-dragon) and ({{Fanfare}}) Batboy, the imaginary superheroes who are [[CaptainErsatz almost the same]] as Franchise/{{Superman}} and Franchise/{{Batman}}.
* TeamMom: Eureeka is easily the most mature of the main characters, but she's not particularly mature either.
* TeamPet: Cooey, Magellan's bird... thing and Batly's [[PunnyName Webster the Spider]].
* TrademarkFavoriteFood: Peanut butter, for both Magellan and the Moat Twins.
* WeWantOurJerkBack: Happened with both Batly and the Moat Twins when a couple of Eureeka's spells accidentally made them nice.
* WorldOfPun: What causes a lot of Eureeka's IneptMage-ness is nature interpreting her spells as puns.
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