Alvin and Friends in So Little Time

Based on Dual Star's So Little Time, here is a crossover with Alvin and Friends.

The Guards of Shining Time Station UK

 * 1) Mr. Guard 1 (Ringo Starr)
 * 2) Mr. Guard 2 (Michael Angelis)

Chipmunks and Chipettes

 * 1) Alvin (Ross Bagdasarian Jr.)
 * 2) Brittany (Janice Karman)
 * 3) Theodore (Janice Karman)
 * 4) Eleanor (Vanessa Bagdasarian)
 * 5) Simon (Ross Bagdasarian Jr.)
 * 6) Jeanette (Janice Karman)

From Lalaloopsy

 * 1) Rosy Bumps N Bruises (Emma Duke)
 * 2) Spot Splatter Splash (Tate McRae)
 * 3) Jewel Sparkles (Selia Sangra)
 * 4) Storm E. Sky (Mariee Devereux)
 * 5) Crumbs Sugar Cookie (Jocelyne Loewen)
 * 6) Dot Starlight (Marÿke Hendrikse)

From CatDog and Piny: Pinypon Institute of New York

 * 1) CatDog (Jim Cummings and Tom Kenny)
 * 2) Michelle Fairchild (Erin Fitzgerald)
 * 3) Tasha Robinson (Cassandra Lee Morris)
 * 4) Lilith Henderson (Erica Lindbeck)

Mysticons and Legend Quest United

 * 1) Arkayna Goodfey (Alyson Court)
 * 2)  Zarya Moonwolf (Nicki Burke)
 * 3)  Emerald Goldenbraid (Evany Rosen)
 * 4)  Piper Willowbrook (Ana Sani)
 * 5)  Choko (Frank Welker)
 * 6) Leo San Juan (Johnny Rose)
 * 7) Alebrije (Paul Tei)
 * 8) Don Andres (Oscar Cheda)
 * 9) Marcella (Cydney J. Fam)

Glitter Heroines

 * 1) Emily Anderson, Candy and Pop (Laura Bailey, Debi Derryberry and Todd Haberkorn)
 * 2) Kelsey Ace (Colleen O'Shaughnessey)
 * 3) Lily Parker (Alex Cazares)
 * 4) April Swanson (Danielle Judovits)
 * 5) Chloe Rose (Kate Higgins)
 * 6) Maya Aida and Kippie (Debi Derryberry and Tara Sands)
 * 7) Rachel and Rory (Cassandra Lee Morris and Erica Mendez)
 * 8) Clara Yotsuba and Lance (Melissa Fahn and Bryce Papenbrook)
 * 9) Mackenzie Mack and Davi (Stephanie Sheh and Erica Mendez)
 * 10) Natalie Miller and Baby Dina (Erica Lindbeck and Yuka Imai)

From So Little Time

 * 1) Riley and Chloe Carlson (
 * 2) Macy and Jake Carlson (
 * 3) Spartacus Lawrence Slotnick (
 * 4) Manuelo del Valle (
 * 5) Tedi (
 * 6) Cammie Morton (
 * 7) Ellen Westmore (
 * 8) Lennon Kincaid (

Heroes of Universal Kids

 * 1) Barney (Dean Wendt)
 * 2) Littlefoot the Dinosaur (Cody Arens)
 * 3) Christopher and Martin Kratt (Themselves)
 * 4) Gillian and Angeline Espina (Themselves)
 * 5) Clover Ewing, Alexandra Vazquez and Samantha Simpson (Andrea Baker, Katie Griffin and Jennifer Hale)
 * 6) Kelly Quinn, Darby O'Brien and Hannah Parker-Kent (Olivia Sanabia, Abby Donnelly and Aubrey Miller)
 * 7) Polly Pocket, Shani and Lila Draper (Emily Tennant, Kazumi Evans and Shannon Chan-Kent)
 * 8) Emma, Lachy, Simon and Anthony Wiggle (Emma Watkins, Lachlan Gillespie, Simon Pryce and Anthony Field)
 * 9) Waldo and Wenda (Joshua Rush and Haley Tju)
 * 10) Norman Picklestripes (Dwayne Hill)
 * 11) Puss in Boots and Dulcinea (Eric Bauza and Jayma Mays)
 * 12) Hiccup Horrendous Haddock, Dak and Leyla (Jay Baruchel, Nicolas Cantu and Brennley Brown)

Heroes of 4Kids/Warner Bros./Saban/DreamWorks

 * 1) Ash Ketchum, Mary, Pikachu and Togepi (Sarah Natochenny, Kerry Williams, Ikue Ohtani and Satomi Korogi)
 * 2) Rikochet and El Rey (Carlos Alazraqui and Michael Donovan)
 * 3) Al Smith (Tom Kenny)
 * 4) Sandra Larson and Babbit (Lisa Ortiz and Jimmy Zoppi)
 * 5) Zoey Hanson and Mini Mew (Amanda Brown and Tom Wayland)
 * 6) Scooby-Doo and Shaggy Rogers (Frank Welker and Matthew Lillard)
 * 7) Link (Eric Stuart)
 * 8) Ingrid Harper (Lisa Ortiz)
 * 9) Tai Kamiya, Kari Kamiya, Agumon and Gatomon (Joshua Seth, Lara Jill Miller, Tom Fahn and Mary Elizabeth McGlynn)
 * 10) Flint Hammerhead (R. Martin Klein)
 * 11) Mushra (Tom Gibis)
 * 12) Mondo Ooya (Derek Stephen Prince)
 * 13) Turbo and Chet (Reid Scott and Eric Bauza)
 * 14) Eep Crood (Stephanie Lemelin)
 * 15) Adora (Aimee Carrero)
 * 16) Audrey and Zoe (Stephanie Lemelin and Cree Summer)
 * 17) Yami Yugi Moto (Dan Green)
 * 18) Virgil and Sharon Hawkins (Phil LaMarr and Michele Morgan)
 * 19) Gordon and Yesenia Rae Hooper (Eric Stuart and Tara Jayne)
 * 20) Felicia and Tawny McCoy (Lisa Ortiz and Tara Jayne)
 * 21) Fox McCloud and Tricky (Joshua Seth and R. Martin Klein)
 * 22) Marina and Brenda Liteyears (Wendee Lee and Anna Garduno)
 * 23) Kick the Cyber Cat (Rick Jones)
 * 24) Kelly Westwood (Tifanie Christun)
 * 25) Sonic the Hedgehog and Christopher Thorndyke (Jason Griffith and Suzanne Goldish)
 * Omi, Kimiko Tohomiko, Raimundo Pedrosa and Clay Bailey (Tara Strong, Jennifer Hale, Eric Bauza and David Kaye)
 * 1) Jason Lee Scott, Tommy Oliver, Zachary Taylor, Billy Cranston, Trini Kwan and Kimberly Ann Hart (Austin St. John, Jason David Frank, Walter Emanuel Jones, David Yost, Thuy Trang and Amy Jo Johnson)
 * 2) Leonardo, Raphael, Donatello and Michelangelo (Michael Sinterniklaas, Frank Frankson, Sam Regal and Wayne Grayson)
 * 3) Johnny Test and Dukey (James Arnold Taylor and Louis Chirillo)
 * 4) Tyler Bowman, Kevin Reynolds, Theodore Roachmont and Jennifer Shope (Matt Hill, Richard Ian Cox, Lee Tockar and Tabitha St. Germain)

Bad Girls of Toon Universal

 * 1) Meilin Rae (Nicole Oliver)
 * 2) Malinda Doe (Jocelyne Loewen)
 * 3) Mayuko Kiyokawa (Rachael Lillis)
 * 4) Jasmine, Tapioca and Litchee (Leah Applebaum and Veronica Taylor)
 * 5) Frufru Tattoo Machofrou (Grey Griffin)
 * 6) The Becky Trio (Lisa Ortiz, Tara Jayne and Veronica Taylor)
 * 7) Terri Burton (Roxanne Beck)
 * 8) Princess Kenny Marigold, Monica MacDonald and Nora Richards (Roxanne Beck, Tara Jayne and Megan Hollingshead)
 * 9) Anne Granger (Carrie Keranen)
 * 10) Vivian Goodwin (Anna Garduno)
 * 11) Jordin Hanson (Colleen O'Shaughnessey)
 * 12) Abigail Thompson (Laura Summer)
 * 13) Josie Caldwell (Laura Summer)
 * 14) Christine and Brianna Flowers (Laura Summer and Anna Garduno)
 * 15) Reese Wilson (Laura Summer)
 * 16) Catra (A.J. Michalka)
 * 17) Mandy, Mindy, Caitlin and Dominique (Jennifer Hale, Katie Griffin and Andrea Baker)
 * 18) Gwen Grande (Rhona Rees)
 * 19) Penelope Lang (Catherine Disher)
 * 20) Odlulu (Eva Carlton)
 * 21) Julia Cooper, Rita Finucci and Dory Skornik (Cristina Vee, Kira Buckland and Laura Post)
 * 22) Regina and Nellie Knotty (Cherami Leigh and Laura Post)
 * 23) Theodora Villavicencio (Annemarie Blanco)

Villains

 * 1) Jessie, James, Meowth and Wobbuffet (Michele Knotz, Jimmy Zoppi and Erica Schroeder)
 * 2) Ken and Mary (Marc Thompson and Caroline Hellman)
 * 3) Ludwig Von Monsterstein Eccentro, Batch, Gluko and Impy (Joe Ochman, Wendee Lee, Dina Sherman and R. Martin Klein)
 * 4) Wolf, Leon, Pigma, Andrew and Panther (Richard Epcar, David Lodge, Lex Lang, Dave Mallow and Richard Cansino)
 * 5) Dren (Andrew Rannells)
 * 6) Petra Fina Dagmar, Mite and Fishman (Barbara Goodson, David Lodge and Lex Lang)
 * 7) Prima Donna Hodges, Carlton Cold Jones and Heavy Traffic (Kathleen Barr and Scott McNeil)
 * 8) Ganondorf (Ted Lewis)
 * 9) Cassidy and Butch (Emlyn Morinelli and Jimmy Zoppi)
 * 10) Giovanni and Dr. Namba (Craig Blair and Jimmy Zoppi)
 * 11) Cliff, Shriek and Lube (Tom Kenny, Maria Bamford and Carlos Alazraqui)
 * 12) Ulric, Brooha, Brute, Rascal, Ira, Marmo and Bel (Keith Silverstein, Mary Elizabeth McGlynn, Benjamin Diskin, Carrie Keranen and Ray Chase)
 * 13) Mallory, Kasha, Eartha and Willa (???, ???, ??? and ???)

Sandra's Cheer Squad

 * 1) Mira Sander (Lisa Ortiz)
 * 2) Lisa Brandon (Lisa Yamanaka)
 * 3) Stephanie Carlson (Maggie Blue O'Hara)
 * 4) Riley Edwin (Kelly Sheridan)
 * 5) Sweet Mint (Lisa Ortiz)
 * 6) Toni and Mika Morgan (Lisa Ortiz)
 * 7) Rita Harrington (Lisa Ortiz)
 * 8) Harriet Sanders (Veronica Taylor)

Episodes

 * 1) A Dog Day Afternoon - Thomas Stories: Thomas and Gordon and Edward and Gordon
 * 2) The B

Trivia

 * A 26-episode crossover.
 * Kimiko's outfit: from The Apprentice.
 * No ending segments were featured.
 * The first time where Mr. Guard meets Mary-Kate and Ashley Olsen.