S04E21: The Lake Monster
After hearing there’s a monster in Bathtub Lake, Doc and the toys go to investigate.
Previous Episode 
Season 1
Knight Time
S1E1 / 23 Mar 2012
A Bad Case of the Pricklethorns
S1E2 / 23 Mar 2012Out of the Box
S1E3 / 23 Mar 2012Run Down Race Car
S1E4 / 23 Mar 2012Tea Party Tantrum
S1E5 / 26 Mar 2012Blast Off!
S1E6 / 26 Mar 2012Engine Nine, Feelin' Fine!
S1E7 / 27 Mar 2012The Right Stuff
S1E8 / 27 Mar 2012Gulpy, Gulpy Gators!
S1E9 / 28 Mar 2012One Note Wonder
S1E10 / 28 Mar 2012Arcade Escapade
S1E11 / 29 Mar 2012Starry, Starry Night
S1E12 / 29 Mar 2012Ben/Anna Split
S1E13 / 30 Mar 2012That's Just Claw-ful
S1E14 / 30 Mar 2012A Good Case of the Hiccups
S1E15 / 02 Apr 2012Stuck Up
S1E16 / 02 Apr 2012Rescue Ronda, Ready for Take-off
S1E17 / 03 Apr 2012All Washed Up
S1E18 / 03 Apr 2012The New Girl
S1E19 / 04 Apr 2012Wrap it Up
S1E20 / 04 Apr 2012Rest Your Rotors, Ronda!
S1E21 / 05 Apr 2012Keep on Truckin'
S1E22 / 05 Apr 2012
Blame it on the Rain
S1E23 / 06 Apr 2012
Busted Boomer
S1E24 / 06 Apr 2012
Dark Knight
S1E25 / 09 Apr 2012
Hallie Gets an Earful
S1E26 / 09 Apr 2012Break Dancer
S1E27 / 11 Apr 2012Bubble Monkey
S1E28 / 11 Apr 2012Out in the Wild
S1E29 / 13 Apr 2012A Whale of a Time
S1E30 / 13 Apr 2012The Rip Heard Round the World
S1E31 / 20 Apr 2012Walkie-Talkie Time
S1E32 / 20 Apr 2012Un-Bur-Able
S1E33 / 03 May 2012Righty-on-Lefty
S1E34 / 03 May 2012Hallie's Happy BIrthday
S1E35 / 18 May 2012Shark-Style Toothache
S1E36 / 18 May 2012Awesome Possums
S1E37 / 01 Jun 2012The Bunny Blues
S1E38 / 01 Jun 2012Get Set to Get Wet
S1E39 / 22 Jun 2012Loud Louie
S1E40 / 22 Jun 2012Caught Blue-Handed
S1E41 / 20 Jul 2012To Squeak, or Not to Squeak
S1E42 / 20 Jul 2012Doctoring the Doc
S1E43 / 17 Aug 2012Hot Pursuit
S1E44 / 17 Aug 2012Boo-Hoo to You!
S1E45 / 05 Oct 2012It's Glow Time
S1E46 / 05 Oct 2012Chilly Gets Chilly
S1E47 / 07 Dec 2012Through the Reading Glasses
S1E48 / 07 Dec 2012My Huggy Valentine
S1E49 / 01 Feb 2013Dusty Bear
S1E50 / 01 Feb 2013Bronto Boo-Boos
S1E51 / 03 May 2013Brontosaurus Breath
S1E52 / 03 May 2013
Season 2
Doc McStuffins Goes McMobile
S2E1 / 06 Sep 2013Chip Off the Ol' Box
S2E2 / 06 Sep 2013Awesome Guy's Awesome Arm
S2E3 / 13 Sep 2013Lamb in a Jam
S2E4 / 13 Sep 2013Diagnosis Not Even Close-Is
S2E5 / 20 Sep 2013Bronty's Twisted Tail
S2E6 / 20 Sep 2013Frida Fairy Flies Again
S2E7 / 27 Sep 2013A Tale of Two Dragons
S2E8 / 27 Sep 2013Think Pink
S2E9 / 03 Oct 2013You Foose, You Lose
S2E10 / 03 Oct 2013
Leilani's Luau
S2E11 / 17 Oct 2013
Karate Kangaroos
S2E12 / 17 Oct 2013
Doc to the Rescue
S2E13 / 24 Oct 2013
Don't Knock the Noggin
S2E14 / 24 Oct 2013
Disco Dress Up Daisy
S2E15 / 08 Nov 2013
The Glider Brothers
S2E16 / 08 Nov 2013Kirby and the King
S2E17 / 15 Nov 2013Bubble Monkey, Blow Your Nose!
S2E18 / 15 Nov 2013Professor Pancake
S2E19 / 22 Nov 2013You Crack Me Up
S2E20 / 22 Nov 2013
A Very McStuffins Christmas
S2E21 / 01 Dec 2013
The Doctor Will See You Now
S2E22 / 12 Dec 2013
L'il Egghead Feels the Heat
S2E23 / 12 Dec 2013The Big Sleepover
S2E24 / 10 Jan 2014No Sweetah Cheetah
S2E25 / 10 Jan 2014Big Head Hallie
S2E26 / 31 Jan 2014Peaches Pie, Take a Bath!
S2E27 / 31 Jan 2014Celestial Celeste
S2E28 / 14 Feb 2014Run Doc Run!
S2E29 / 14 Feb 2014A Fairy Big Knot
S2E30 / 04 Apr 2014Rosie the Rescuer
S2E31 / 04 Apr 2014Crikey! It's Wildlife Will
S2E32 / 08 Apr 2014Rootin' Tootin' Southwest Sal
S2E33 / 08 Apr 2014Take Your Doc To Work Day
S2E34 / 24 Apr 2014Blazer's Bike
S2E35 / 24 Apr 2014The Big Storm
S2E36 / 16 May 2014Spritzy Mitzi
S2E37 / 16 May 2014Dad's Favorite Toy
S2E38 / 13 Jun 2014Chilly and the Dude
S2E39 / 13 Jun 2014Serpent Sam Makes a Splash
S2E40 / 21 Jun 2014Sir Kirby and the Plucky Princess
S2E41 / 21 Jun 2014The Wicked King and the Mean Queen
S2E42 / 25 Jul 2015Take a Stroll!
S2E43 / 25 Jul 2014
Ooey Gablooey Springs a Leak
S2E44 / 22 Aug 2014There's a King in Your Tummy!
S2E45 / 22 Aug 2014Doc's Busy Day
S2E46 / 26 Sep 2014Wrong Side of the Law
S2E47 / 26 Sep 2014Mirror, Mirror on My Penguin
S2E48 / 03 Oct 2014Hide and Eek!
S2E49 / 03 Oct 2014McStuffins School of Medicine
S2E50 / 13 Oct 2014The Super Amazing Ultra Hoppers
S2E51 / 13 Oct 2014Let the Nightingale Sing
S2E52 / 02 Nov 2014Hazel Has a Sleepover
S2E53 / 07 Nov 2014My Breakfast with Bronty
S2E54 / 07 Nov 2014
Training Army Al
S2E55 / 11 Nov 2014
Sproingo Boingo Takes the Leap
S2E56 / 11 Nov 2014Shell Shy
S2E57 / 21 Nov 2014Commander No
S2E58 / 21 Nov 2014The Flimsy Grumpy Bat
S2E59 / 05 Dec 2014Rockstar Ruby and the Toys
S2E60 / 05 Dec 2014A Day Without Cuddles!
S2E61 / 13 Feb 2015Collide-O-Scope
S2E62 / 13 Feb 2015Crash Course
S2E63 / 13 Mar 2015Luna on the Moon-a
S2E64 / 13 Mar 2015Fully in Focus
S2E65 / 13 Mar 2015Picky Nikki
S2E66 / 13 Mar 2015Getting to the Heart of Things
S2E67 / 13 Mar 2015Toy in the Sun
S2E68 / 13 Mar 2015Three Goats A' Cuddlin'
S2E69 / 14 Aug 2015Swimmer's Belly
S2E70 / 14 Aug 2015Fetchin' Findo
S2E71 / 12 Sep 2015Twin Tweaks
S2E72 / 12 Sep 2015
Season 3
Slip 'N Slide
S3E1 / 02 Jul 2015A Big Pain in Teddy's Tummy
S3E2 / 09 Jul 2015Boxed In
S3E3 / 16 Jul 2015Itty Bitty Bess Takes Flight
S3E4 / 23 Jul 2015Top Lamb
S3E5 / 29 Jul 2015Molly Molly Mouthful
S3E6 / 30 Jul 2015Filling Chilly
S3E7 / 04 Aug 2015Doc's Dream Team
S3E8 / 06 Aug 2015A Dragon's Best Friend
S3E9 / 14 Aug 2015Take Your Pet to the Vet
S3E10 / 14 Aug 2015Master and Commander
S3E11 / 14 Aug 2015
Stuffy and Squibbles
S3E12 / 21 Aug 2015Queen of Thrones
S3E13 / 21 Aug 2015Huggable Hallie
S3E14 / 28 Aug 2015Pop-Up Paulo
S3E15 / 28 Aug 2015Nurse's Office
S3E16 / 18 Sep 2015A Case of the Glitters
S3E17 / 18 Sep 2015Doc McStuffins Goes to Washington
S3E18 / 05 Oct 2015Winded Winnie
S3E19 / 05 Oct 2015Hallie Halloween
S3E20 / 12 Sep 2015Don't Fence Me In
S3E21 / 09 Oct 2015
Dmitri the Dazzling!
S3E22 / 02 Nov 2015Smitten With a Kitten
S3E23 / 02 Nov 2015The Search for Squibbles
S3E24 / 02 Nov 2015Factory Fabulous
S3E25 / 02 Nov 2015Lambie Gets the Linties
S3E26 / 06 Nov 2015
Moo-Moo's Tutu Boo Boo
S3E27 / 06 Nov 2015The New Nurse
S3E28 / 13 Nov 2015Chilly's Loose Button
S3E29 / 13 Nov 2015Say It Again, Sadie
S3E30 / 20 Nov 2015Mind Over Matter
S3E31 / 20 Nov 2015Snowy Gablooey
S3E32 / 04 Dec 2015Goooooal!
S3E33 / 04 Dec 2015Space Buddies Forever!
S3E34 / 11 Dec 2015Liv Long and Pawsper
S3E35 / 11 Dec 2015Kirby's Derby
S3E36 / 02 Jan 2016Ticklish Truck
S3E37 / 02 Jan 2016Blast Off to the Unknown!
S3E38 / 09 Jan 2016Bust a Move
S3E39 / 09 Jan 2016
Baby McStuffins
S3E40 / 04 Mar 2016
Selfless Snowman
S3E41 / 04 Mar 2016St. Patrick's Day Dilemma
S3E42 / 09 Mar 2016A Giant Save
S3E43 / 09 Mar 2016Runaway Love
S3E44 / 11 Mar 2016Tour De McStuffins
S3E45 / 11 Mar 2016Hooty's Duty
S3E46 / 19 Mar 2016A Cure For a King
S3E47 / 19 Mar 2016Bringing Home Baby
S3E48 / 25 Mar 2016Baby Names
S3E49 / 01 Apr 2016Night Night, Lala
S3E50 / 01 Apr 2016The Lady in the Lake
S3E51 / 04 Apr 2016Black Belt Kangaroos
S3E52 / 04 Apr 2016Joni the Pony
S3E53 / 18 Apr 2016Sleepless in Stuffyland
S3E54 / 18 Apr 2016The Scrapiest Dragon
S3E55 / 25 Apr 2016Going for Broke
S3E56 / 25 Apr 2016
Season 4
Welcome to McStuffinsville
S4E1 / 29 Jul 2016
First Day of Med School
S4E2 / 05 Aug 2016
Stuffy Gets His Scrubs
S4E3 / 05 Aug 2016
Night Shift
S4E4 / 12 Aug 2016
Check-Up Chilly
S4E5 / 12 Aug 2016
Project Nursery Makeover
S4E6 / 19 Aug 2016
Stuffy's Ambulance Ride
S4E7 / 19 Aug 2016
Made to Be a Nurse
S4E8 / 26 Aug 2016
Rescue at the Ranch
S4E9 / 26 Aug 2016
CeCe's First Bath
S4E10 / 16 Sep 2016
The Most Impatient Patient
S4E11 / 16 Sep 2016
Chilly's Snow Globe Shakeup
S4E12 / 23 Sep 2016
Hoarse Hallie
S4E13 / 23 Sep 2016
A Lesson in Diagnosis
S4E14 / 30 Sep 2016
Karaoke Katie's Opening Night
S4E15 / 30 Sep 2016
Nikki's Night in the E.R.
S4E16 / 07 Oct 2016
Royal Buddies
S4E17 / 07 Oct 2016
Bouncy House Boo Boos
S4E18 / 05 Nov 2016
The Best Therapy Pet Yet
S4E19 / 05 Nov 2016
The Mayor's Speech
S4E20 / 12 Nov 2016
The Lake Monster
S4E21 / 12 Nov 2016
Chuck Learns to Look!
S4E22 / 19 Nov 2016
Birthday Party Emergency
S4E23 / 19 Nov 2016
Camille Gets Over the Hump
S4E24 / 14 Jan 2017
Willow's Wonky Whiskers
S4E25 / 14 Jan 2017
Into the Hundred Acre Wood
S4E26 / 18 Jan 2017
Mole Money, Mole Problems
S4E27 / 04 Feb 2017
Yip, Yip, Boom
S4E28 / 04 Feb 2017
Get-Well Gus Gets Well
S4E29 / 07 Apr 2017
Triceratops Trouble
S4E30 / 07 Apr 2017
Hannah the Brave
S4E31 / 04 Jun 2017
Waddly's Huggy Overload
S4E32 / 04 Jun 2017
Lambie Stuffy Switcharoo
S4E33 / 17 Jun 2017
The Sleepwalking King
S4E34 / 17 Jun 2017
Count Clarence's Daytime Adventure
S4E35 / 01 Jul 2017
Dixie Gets Glued
S4E36 / 01 Jul 2017
Lambie and the McStuffins Babies
S4E37 / 15 Jul 2017
The Emergency Plan
S4E38 / 05 Aug 2017
What a Quack
S4E39 / 05 Aug 2017
First Responders to the Rescue
S4E40 / 23 Sep 2017
Mermaid in the Midfield
S4E41 / 21 Oct 2017
Whole Lotta Hula
S4E42 / 21 Oct 2017
Daisy Makes the Call
S4E43 / 04 Nov 2017
Visiting Hours
S4E44 / 04 Nov 2017
On a Roll!
S4E45 / 02 Mar 2018
Home Is Where the Fruit Is
S4E46 / 02 Mar 2018
Stuffy's Wild Pet
S4E47 / 12 Jan 2018
On Call Ball
S4E48 / 12 Jan 2018
Season 5
The Pet Rescue Team
S5E1 / 26 Oct 2018
A Pet for Everyone
S5E2 / 23 Nov 2018
The Doc McStuffins Christmas Special
S5E3 / 02 Dec 2018Toys in Space
S5E4 / 04 Jan 2019Adventures in Baby Land
S5E5 / 01 Mar 2019
Stuffy's Safari
S5E6 / 22 Jun 2019Jungle Jumble
S5E7 / 03 Nov 2019Arctic Exposure
S5E8 / 30 Nov 2019Jumbo Mumbo
S5E9 / 04 Jan 2020The Hallie Trap
S5E10 / 25 Jan 2020Lost & Found
S5E11 / 08 Feb 2020
Bedazzled!
S5E12 / 22 Feb 2020
The Great McStuffins Meltdown
S5E13 / 07 Mar 2020It's a Hard Doc Life
S5E14 / 18 Apr 2020
Kiara Muhammad
Doc McStuffins (voice)
Kimberly Brooks
Dr. Maisha McStuffins (voice)
Gary Anthony Williams
Marcus McStuffins (voice)
Loretta Devine
Nurse Hallie (voice)
Jess Harnell
Chilly (voice)
Robbie Rist
Stuffy Filbert McStuffins (voice)
Lara Jill Miller
Lambie (voice)
