Ada Twist, Scientist is an animated preschool television series, based on the eponymous book series by Andrea Beaty and David Roberts. Developed and executive produced by Chris Nee for Netflix, the series premiered on September 28, 2021. A second season was released on January 25, 2022, followed by a third season on September 12, 2022, and the fourth season on April 22, 2023.

• Ada Twist (voiced by Amanda Christine in Seasons 1-3 and Kaya Jackson in Season 4) is an intellectual 9-year-old girl, and a scientist. She's smart, kindhearted, sensitive, and always sweet. Her catchphrases are "Loading the Lab!", "Wasn't that cool? Science is the best.", and "We don't quit, we got grit!" She has her own magic lab and her big book of discoveries and inventions. Her favorite animal is a ladybug.
• Iggy Peck (voiced by Nicholas Crovetti) is a fearful 8-year-old boy, and an architect. He's caring, extremely nervous, shy, quiet, and easygoing. His favorite animal is a whale shark.
• Rosie Revere (voiced by Candace Kozak) is an energetic 7-year-old girl, and an engineer. She's funny, a bit bossy, positive, and confident. She is also tomboyish which is what makes her always have her red bandanna with white polka dots all the time. Her favorite animal is a unicorn.
• Benny B. (voiced by Corey J) is an optimistic 10-year-old boy, the newcomer of the show's fourth season, and a technician. He always comes up with great ideas and has a robotic dog built by himself. Ever since he moved into town, he misses his old life but thanks to Ada and friends, they helped him find his way back home. He is the only character to not have a favorite animal.

• Arthur Twist (voiced by Terrence Little Gardenhigh) is Ada's 11-year-old brother who loves magic and sports. He's a bit bored and cool. He has a pet lizard, named Lil Liz.
• Aisha Twist (voiced by Susan Kelechi Watson) is Ada and Arthur's mother.
• Amari Twist (voiced by Taye Diggs) is Ada and Arthur's father.
• Mooshu (voiced by Frank Welker) is Ada's pet cat.
• Bianca "Bee Bee" (voiced by Nia Thompson) is Benny's 4-year-old sister who loves tea parties.

No. overall	No. in season	Title	Directed by	Written by	Storyboard by	Original air date
1	1	"A Fort of One's Own"	Jean Herlihy	Chris Nee	Mȧrten Jönmark	September 28, 2021 (2021-09-28)
		"Twelve Angry Birds"	Seamus O'Toole	Robert Vargas	Valentina Delmiglio
When Ada and Friends try to lock Arthur’s fort, they use brainstorm to free him.
2	2	"Movie Night"	Gabrielle Meyer	Alan Moran	Micha Cohen	September 28, 2021 (2021-09-28)
		"The Banana Peel Problem"	Seamus O'Toole	Ivory Floyd	Dan Nosella
3	3	"Cake Twist"	Alan Moran	Kerri Grant	Dan Nosella	September 28, 2021 (2021-09-28)
		"Garden Party"		Gabrielle Meyer	Valentina Delmiglio
4	4	"Bird's Eye View"	Alan Moran	Kerri Grant	Gaia Ruggenini	September 28, 2021 (2021-09-28)
		"Sleeping Duty"	Seamus O'Toole	Robert Vargas	Sherwin Macario
5	5	"Sight of Music"	Alan Moran	Robert Vargas	Micha Cohen	September 28, 2021 (2021-09-28)
		"Rain Day"	Seamus O'Toole	Jennifer Hamburg	Bob Baxter
6	6	"The Great Stink"	Seamus O'Toole	Gabrielle Meyer	Bob Baxter	September 28, 2021 (2021-09-28)
		"Rosie's Rockin' Pet"	Alan Moran	Jennifer Hamburg	Sherwin Macario

No. overall	No. in season	Title	Directed by	Written by	Storyboard by	Original air date
7	1	"The Curious Case of Lil' Liz"	Jean Herlihy	Chris Nee	Mȧrten Jönmark	January 25, 2022 (2022-01-25)
		"Cat on a Hot Twist Roof"	Seamus O'Toole	Robert Vargas	Valentina Delmiglio
8	2	"Ada Twist Magicianist"	Gabrielle Meyer	Alan Moran	Micha Cohen	January 25, 2022 (2022-01-25)
		"Bend It Like Arthur"	Seamus O'Toole	Ivory Floyd	Dan Nosella
9	3	"Oh Parachute"	Alan Moran	Kerri Grant	Dan Nosella	January 25, 2022 (2022-01-25)
		"Meltdown"		Gabrielle Meyer	Valentina Delmiglio
10	4	"Show Me the Bunny"	Alan Moran	Kerri Grant	Gaia Ruggenini	January 25, 2022 (2022-01-25)
		"A Kite Above the Rest"	Seamus O'Toole	Robert Vargas	Sherwin Macario
11	5	"Skate On"	Alan Moran	Robert Vargas	Micha Cohen	January 25, 2022 (2022-01-25)
		"Ada's Cure for the Common Conundrum"	Seamus O'Toole	Jennifer Hamburg	Bob Baxter
12	6	"Mind Over Muscle"	Seamus O'Toole	Gabrielle Meyer	Bob Baxter	January 25, 2022 (2022-01-25)
		"Iggy Gettin' Diggy With It"	Alan Moran	Jennifer Hamburg	Sherwin Macario

No. overall	No. in season	Title	Directed by	Written by	Storyboard by	Original air date
13	1	"Ready, Set, Rosie"	Jean Herlihy	Chris Nee	Mȧrten Jönmark	September 12, 2022 (2022-09-12)
		"A Wheel with a Twist"	Seamus O'Toole	Niya Wright	Valentina Delmiglio
14	2	"The Whiz Kid Quiz"	Gabrielle Meyer	Alan Moran	Micha Cohen	September 12, 2022 (2022-09-12)
		"Glitter-tastrophe"	Seamus O'Toole	Ivory Floyd	Dan Nosella
15	3	"DadBot"	Alan Moran	Kerri Grant	Dan Nosella	September 12, 2022 (2022-09-12)
		"Into the Brainstorm"		Gabrielle Meyer	Valentina Delmiglio
16	4	"Ice Creamed"	Alan Moran	Kerri Grant	Gaia Ruggenini	September 12, 2022 (2022-09-12)
		"Pitch Perfect"	Seamus O'Toole	Robert Vargas	Sherwin Macario
17	5	"Slow Your Roll"	Alan Moran	Robert Vargas	Micha Cohen	September 12, 2022 (2022-09-12)
		"The Amazing-Spider Twist"	Seamus O'Toole	Jennifer Hamburg	Bob Baxter
18	6	"Ghost Busted"	Seamus O'Toole	Gabrielle Meyer	Bob Baxter	September 12, 2022 (2022-09-12)
		"A Cold-Blooded Complication"	Alan Moran	Jennifer Hamburg	Sherwin Macario
19	7	"The Giggle Bug"	Alan Moran	Robert Vargas	Micha Cohen	September 12, 2022 (2022-09-12)
		"Dance Dance Twist Solution"	Seamus O'Toole	Jennifer Hamburg	Bob Baxter
20	8	"Bee the Change"	Seamus O'Toole	Gabrielle Meyer	Bob Baxter	September 12, 2022 (2022-09-12)
		"Battle of the Boogie Bots"	Alan Moran	Jennifer Hamburg	Sherwin Macario

No. overall	No. in season	Title	Directed by	Written by	Storyboard by	Original air date
21	1	"Benny Who"	Adrian Ignet	Kerri Grant	Ward Jenkins	April 22, 2023 (2023-04-22)
When a new family moves to town, the team meets Benny, a sci-fi loving kid who misses his old life and wants to find a way to get back home.
22	2	"My Messy Valentine"	Seamus O'Toole	Gabrielle Meyer	Micha Cohen	April 22, 2023 (2023-04-22)
Rosie built a special Valentine's Day catapult called "The Love Launcher," but it isn't working the way she hoped. Time to get organized and fix it!
23	3	"The Green Team"	Jean Herlihy	Gabrielle Meyer	Wickus Coetzee	April 22, 2023 (2023-04-22)
Ada and the gang take Arthur on an out-of-this-world adventure to convince him that caring about Earth is cool -- and really important!
24	4	"The Right Puff"	Alan Moran	Niya Wright	Ward Jenkins	April 22, 2023 (2023-04-22)
It's science to the rescue when Ada has a hair emergency on the day of Grandma and Pop-Pop's golden anniversary. Can she get her signature curls back?
25	5	"Monster Mash"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
While playing Goblins & Dragons with Arthur, Benny accidentally breaks a rare figurine, sending the kids on a science-fueled side quest to replace it.
26	6	"Soakchella"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
When he town's annual water battle is canceled due to drought, The Green Team works together to find a more sustainable way to have fun.
27	7	"Mixtape Remix"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
Benny's planning a special gift from his dad's birthday that involves a mixtape, magnets -- and bringing his mom's amazing music back to life.
28	8	"Rodeo Rosie"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
To win the Silver Saddle trophy, Rosie must balance on a bucking bull for 8 whole seconds -- just like her mom and Great Aunt Rose. Can physics help?
29	9	"Dad to the Bone"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
The grown-ups are making a racket while practicing for the Last Band Standing competition. Can the kids solve the problem with science?
30	10	"X Marks the Spot"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
The friends hunt for treasure inside a dark cave, where their pal Pepper teaches them about echolocation -- and shows them there's another way to "see."
31	11	"Blue River Wedding"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
When a tornado touches down on the day of Sensei Dave and Jiu Jitsu Joe's wedding, the gang must think up a way for all of the guests to safely gather.
32	12	"A Twist in Time"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
33	13	"Old Mr. Oak"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
34	14	"You Got Served"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
35	15	"The Garbage Gobbler"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
36	16	"Planet Hunters"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
37	17	"Iggy's Memory Palace"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
38	18	"Dinnertime Deadline"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
39	19	"Getting It Write"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
40	20	"More Scientists"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)
41	21	"Even More Scientists"	Unknown	Unknown	TBA	April 22, 2023 (2023-04-22)

The series was first announced in October 2020.

Ada Twist, Scientist was released on Netflix on September 28, 2021.

In the episode “Blue River Wedding” (Season 4 Episode 11), friends Ada Twist, Rosie Revere, Iggy Peck, and Benny B are helping Sensei Dave (voiced by George Takei) and Jiu Jitsu Joe (voiced by Guillermo Díaz) get ready for their wedding. This became controversial for more conservative parents.

Common Sense Media review. New Scientist review. Decider review.

The series received a 2022 Annie Award for Best Animated Television/Broadcast Production for Preschool Children.

The series also received a 2022 Children's and Family Emmy Awards award for Outstanding Preschool Animated Series.

The series also received a 2024 GLAAD Media Award for Outstanding Children's Programming for the episode "Blue River Wedding".

• Ada Twist, Scientist at IMDb