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"Sister of Invention" is the fiftieth episode of the Disney Channel animated series Elena of Avalor. It premiered on October 7, 2019 and is the first episode in the third season.

Plot[]

At Avalor Palace, the Royal Family and their friends are having a party to celebrate Isabel completing her Engineering Class with honors. Suddenly, Gabe comes in and tells Elena "He says he'll talk but only to you." Isabel notices Elena and Gabe leaving and asks what's going on. Elena tells her it's nothing for her to worry about and leaves with Gabe.

Elena and Gabe head down to the dungeon and arrive at Victor's cell. Elena asks Victor what he has to tell her. Victor merely tells her that it's to inform her that he'll tell her nothing. Elena tries to get him to tell her where Ash and Carla are but gets nowhere until she mentions the Delgados' Cabin. Realizing that the Delgados didn't know they discovered it, Elena decides to ambush Ash and Carla at the Delgados' Cabin. Elena sends Gabe to fetch Naomi and Mateo. Isabel notices Naomi and Mateo leaving and follows them after grabbing her Go-Pack. Isabel uses one of her inventions to eavesdrop on Elena's plans. However, Gabe notices and exposes her. When Elena confronts her, Isabel voices how she wants to come on the grounds that she has inventions and gadgets that can help and that she can handle herself as she's been to college. Elena refuses both because it's dangerous and her belief that Isabel will just get in the way and sends her back to the party. Undeterred, Isabel changes into her hiking outfit and climbs inside the luggage rack on the Royal Carriage where she falls asleep after it sets off. 

The group arrives at the Delgados's Cabin. Elena, Naomi, Gabe, and Mateo surround the cabin. Isabel wakes up and gets out of the luggage compartment. Elena hears her and sends her friends in. Naomi, Gabe, and Mateo only end up attacking each other as Ash and Carla aren't there. Back outside, Elena is shocked to see Isabel and is angry at her, to the point where she calls her by her full name "Isabel Castillo Flores". Isabel doesn't even notice her big sister's displeasure as she's too busy examining little blue rocks which she traces to the cabin while being folllowed by Elena who is furious both because Isabel isn't even listening to her and because Isabel is walking away while she's still talking to her. Isabel tells the group that the blue rocks are lava rocks that only come from one place: Xotep, a volcano in Central Avalor that known for it's eerie blue lava. The group tells Elena to let Isabel stay especially after she reveals she has a map to Xotep. Elena agrees on the condition that she stay in the coach. 

At Xotep, Ash and Carla have indeed shown up there and have met the Malvago who trained Ash: Zopilote. Ash asks Zopilote for new tamboritas, but he instead gives Ash a puzzle map that reveals a map to Takaina, the crystal forge where the Maruvians used create their mystical treasures and artifacts, including the Scepter of Light. Ash tells Carla to practice her tamborita while she solves the puzzle. Outside, the blasting draws the attention of Elena's group. Isabel suddenly gets off the coach and capture Carla with her invention, only to lead to the situation where Mateo messes up his spell and causes Elena to dangle from a cliff. Her friends try to save her in different ways, but none of them work. Meanwhile, Isabel calculates the distance of the rope to the cliff and comes up with an idea to make a catapult with rocks. She informs the group about this, and the group rescues Elena using what Isabel explained to them while the Delgados escape. Elena thanks her friends for saving her, to which they say it is really Isabel who she should thank since she is the one who came up with inventions to save her. Yet, Isabel feels guilty that she is the one who put Elena in danger in the first place and admits that she can't do what Elena and her friends do. Elena is glad that Isabel finally sees that, and encourages her by saying that they can't do what Isabel does, either (saving others with inventions). She welcomes Isabel to the team but still grounds her for disobeying a royal order.

Cast[]

Song[]

Trivia[]

  • Ash's origin story is told in this episode.
  • Isabel joins Elena's team in the end.
  • Starting with this episode, the episode title is spoken, but the title card is discontinued.
  • Moral: Never underestimate someone just because they're very young.

International Premieres[]

Gallery[]


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Media
Elena of Avalor (Videography/Soundtrack/Original Soundtrack) • Elena and the Secret of Avalor • Books
Disney Parks
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Entertainment: Disney Adventure Friends Cavalcade
Fireworks: Happily Ever After

Characters
Princess Elena • Princess Isabel • Migs, Luna, and Skylar • Francisco • Luisa • Chancellor Esteban • Naomi Turner • Mateo • Gabe Núñez • Zuzo • Armando • Daniel Turner • Doña Paloma • Higgins • Professor Mendoza • Prince Alonso • Shuriki • Alacazar • King Raul and Queen Lucia • King Toshi • Charoca • Rafa • Fiero • King Juan Ramón • Yacalli • King Hector • King Joaquín • King Lars • King Raja • Carmen and Julio • Doña Angelica • Orizaba • Cristina • Ciela • Rico Villalobos • Roberto Núñez • Blanca Núñez • Princess Caterina • Nico • Chief Zephyr • Avión • Troyo • Señorita Marisol • Quique • Amara • Lord Elrod • Sir Cassius • Scarlett Turner • Victor Delgado • Carla Delgado • Cacahuate • Bobo • Olivia • King Verago • Marimonda • Quita Moz • Antonio Agama • Princess Valentina • Mingo, Zoom, and Estrella • Dulce • Cruz • Vestia • Professor Ochoa • Zuni, Maya, and Lomo • Lama, Hool, and Qapa • Tomiko • Javier • Santos Gutierrez • Princess Marisa • Prince Marzel • Cuco • King Pescoro • Queen Camila • Duke Cristóbal • Saloso • Ash Delgado • Queen Abigail • Tornado • Zopilote • Flo • Sanza • Tito the Magical Bandit • Chatana • Pili • Tziloco • Princess Chloe • Maliga • Ixlan • The Jaguar King • Four Shades of Awesome • Kizin • Princess Rebecca • Prince Ari • Antonia Bello

Sofia the First: Princess Sofia • King Roland II • Queen Miranda • Princess Amber • Prince James • Flora • Gwen

Episodes
Season One: "First Day of Rule" • "Model Sister" • "All Heated Up" • "Island of Youth" • "Spellbound" • "Prince Too Charming" • "Finders Leapers" • "Royal Retreat" • "A Day to Remember" • "The Scepter of Light" • "Navidad" • "Olaball" • "Flight of the Jaquins" • "Crystal in the Rough" • "The Princess Knight" • "Captain Turner Returns" • "King of the Carnaval" • "My Fair Naomi" • "Spirit Monkey Business" • "Wizard-in-Training" • "Realm of the Jaquins" • "The Gecko's Tale" • "Party of a Lifetime" • "Blockheads" • "Masks of Magic"

Season Two: "The Jewel of Maru" • "Royal Rivalry" • "The Curse of El Guapo" • "Three Jaquins and a Princess" • "A Spy in the Palace" • "Science Unfair" • "Rise of the Sorceress" • "Shapeshifters" • "The Scepter of Night" • "The Race for the Realm" • "A Tale of Two Scepters" • "Class Act" • "All Kingdoms Fair" • "A Lava Story" • "Song of the Sirenas" • "The Tides of Change" • "The Return of El Capitán" • "Finding Zuzo" • "Snow Place Like Home" • "Two Left Fins" • "Movin' On Up" • "Not Without My Magic" • "Luna's Big Leap" • "Naomi Knows Best"
Season Three: "Sister of Invention" • "To Save a Sunbird" • "Father-in-Chief" • "The Incredible Shrinking Royals" • "Norberg Peace Prize" • "The Magic Within" • "Flower of Light" • "Captain Mateo" • "Sugar Rush" • "The Family Treasure" • "Dreamcatcher" • "Changing of the Guard" • "King Skylar" • "Spirit of a Wizard" • "Team Isa" • "The Last Laugh" • "Festival of Lights" • "The Birthday Cruise" • "Giant Steps" • "Shooting Stars" • "Crash Course" • "Sweetheart's Day" • "The Lightning Warrior" • "Dia de las Madres" • "Heart of the Jaguar" • "Elena's Day Off" • "To Queen or Not to Queen" • "Coronation Day"

Songs
Theme Song • Ready to Rule • Sister Time • Blow My Top • Avaloran Lullaby • Avalor Birthday Song • The Magic Within You • Feel Free to Have Fun • Something Special • To Be In My Club • Festival of Love • The Gift of Night • The Great Unknown • The Spirit of Avalor • My Time • The Way We Do Navidad • Let Love Light the Way • Play It Your Way • The Bros Are Back • Fix Anything • Steppin' Up • Home for Good • Something I Would Never Do • The Bright Light of the Ball • Your Spirit Guide • Cast A Spell With Me • Got It Down • A Big Deal • You Can't Catch Me • Forever • It's Up To Us • Best for Our Guests • Make Them Proud • A Little Bit More • The Captain of the Guard • I Am Grown Up Enough • Don't Look Now • Hand in Hand • This New Day • The Right Thing To Do • Wisest Wizard in the World • If You Just Keep Moving On • Only One Will Remain • Welcome to the Future • Armando • Fallin' Like a Rock • Familia Forever • A New Tale • Our Chance • The Art of the Steal • The Legend of Los Tres • Top Banana King • Home for Navidad • Hearts Full of Cheer • The Most Royal Man • Never Get Away • More Than Your Magic • Give Me A Shot • Speak • The One and Only • Chief Daddy • Happy to Be Alive • Love Always • The Spirit of Love • Pick It Up • Wings Up • By My Side • Put Your Mind To It • Magic Works Like a Charm • Girl's Day • Choose Your Path • Begin A New Journey • Fit To Be Queen • Four Shades of Awesome • Never Too Late • Guiding Light
Locations
Avalor • Satu • Fountain of Youth • Cordoba • Enchancia • Secret Library • Royal Preparatory Academy • Maru • EverRealm • Spirit World • Vallestrella • Ophidan Island
Objects
Amulet of Avalor • Scepter of Light • Codex Maru • Eye of Midnight • Behind the Walls • Shuriki's Wand • Coza Kex • Scepter of Night
See Also
Sofia the First • Jaquins • Noblins • Chanul • Spells
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