Cast[]
- Barney as Himself
- Baby Bop as Herself
- BJ as Himself
- Riff as Himself
- Fern Walters (from Arthur) as Amy (from BGY)
- Arthur Read (from Arthur) as Michael
- Francine Frensky (from Arthur) as Luci
- Muffy Crosswire (from Arthur) as Tina
- Buster Baxter (from Arthur) as Derek
- K.C. (from Clifford the Big Red Dog) as Jason (from BYG)
- Baby Bear (from Sesame Street) as Jeffrey
- Binky Barnes (from Arthur) as Adam
- Mrs. Barnes (from Arthur) as Adam's Mother
- Jane Read (from Arthur) as Michael and Amy's Mother
- Mr. Walters (from Arthur) as Michael and Amy's Father
- Vicita Molina (from Arthur) as Kathy
- Flo (from Clifford's Puppy Days) as Jennifer
- Zo (from Clifford's Puppy Days) as Joseph
- Aloysius Zimmerplotz (from Arthur) as AJ
- Cousin Freddy (from The Berenstain Bears) as Shawn
- Becky (from Shining Time Station) as Min
- D.W. Read (from Arthur) as Tosha
- Grover (from Sesame Street) as David (from Season 2)
- Sister Bear (from The Berenstain Bears) as Julie
- Brother Bear (from Berenstain Bears) as Jason (from TV Series)
- Max (from Dragon Tales) as Kenneth
- Alpha Pig (from Super Why) as Carlos
- Brain (from Arthur) as Juan
- Nadine (from Arthur) as Kristen
- Enrique (from Dragon Tales) as Stephen
- Jackie (from Cyberchase) as Ashley
- Inez (from Cyberchase) as Alissa
- Lizzy Bruin (from The Berenstain Bears) as Maria
- Mimi (from Clifford the Big Red Dog) as Kim
- Sid (from Sid the Science Kid) as Robert
- Curious George (from Curious George) as Danny
- Emmy (from Dragon Tales) as Keesha
- Norville (from Clifford's Puppy Days) as Chip
- Cleo (from Clifford the Big Red Dog) as Hannah
- Mac (from Clifford the Big Red Dog) as Curtis
- George Lundgren (from Arthur) as Jeff
- Emily Elizabeth (from Clifford the Big Red Dog) as Emily
- Wendy (from Calliou) as Linda
- Rosita (from Sesame Street) as Jill (from Season 6)
- Vaz (from Clifford the Big Red Dog) as Scott
- May (from Sid the Science Kid) as Angela
- T-Bone (from Clifford the Big Red Dog) as Mario
- Mary (from Clifford the Big Red Dog) as Gianna
- Evan (from Clifford's Puppy Days) as Tony
- Nina (from Clifford's Puppy Days) as Beth
- Prairie Dawn (from Sesame Street) as Sarah
- Peg (from Arthur) as Kami
- Sue Ellen Armstrong (from Arthur) as Whitney
- Nick (from Cat in the Hat Knows a Lot About That) as Nick
- Emily (from Arthur) as Colleen
- Miguel (from Maya & Miguel) as Miguel
- Abby Cadabby (from Sesame Street) as Stacy
- Gabriela (from Sid the Science Kid) as Rachel
- Rosie (from Caillou) as Laura
- Leo (from Caillou) as David
- Xavier (from Caillou) as Jackson
- Princess Presto (from Super Why) as Tracy
- Super Why (from Super Why) as Ryan
- Betsy (from Curious George) as Claire
- Laa Laa (from Teletubbies) as Amy
- Helen (from Martha Speaks) as Melanie
- Tinky Winky (from Teletubbies) as Ben
- Melanie (from Caillou) as Megan
- Franny (from Franny's Feet) as Lacey
- Peg (from Peg + Cat) as Melissa
- Becky Lopez (from George Shrinks) as Bridget
- Daniel Tiger (from Daniel Tiger's Neighborhood) as Ethan
- Stacy (from The Berenstain Bears) as Samantha
- Steve (from Curious George) as Lucas
- Katerina Kittycat (from Daniel Tiger's Neighborhood) as Haley
- Jorge (from Clifford's Puppy Days) as Marcos
- Po (from Teletubbies) as Eva
- Prunella Deegan (from Arthur) as Tori
- O the Owl (from Daniel Tiger's Neighborhood) as Nathan
- Dipsy (from Teletubbies) as Tyler
- Le Wun (from Caillou) as Mei
- Katie (from Katie and Orbie) as Olivia
- Jetta (from Clifford the Big Red Dog) as Kaitlyn
- Prince Wednesday (from Daniel Tiger's Neighborhood) as Noah
- Wordgirl (from Wordgirl) as Myra
- Sarah (from Caillou) as Lily
- Mara (from Caillou) as Sofia
- Sally (from Cat in the Hat Knows a Lot About That) as Emma
- Clementine (from Caillou) as Holly
- Martha (from Martha Speaks) as Jackie
- Tommy Tibble (from Arthur) as Daniel
- Timmy Tibble (from Arthur) as Joshua
- Sagwa Miao (from Sagwa, the Chinese Siamese Cat) as Kioko
- Charley (from Clifford the Big Red Dog) as Connor
- Maya (from Maya & Miguel) as Taylor
- Calliou (from Calliou) as Rusty
- Daffodil (from Clifford's Puppy Days) as Natalia
- Grandpa Dave (from Arthur) as Professor Tinkerputt
- Ord (from Dragon Tales) as Scooter McNutty
- Cassie (from Dragon Tales) as Miss Etta Kette
- Bitzi Baxter (from Arthur) as Stella the Storyteller
- Mother Bear (from The Berenstain Bears) as Mother Goose
- Father Bear (from The Berenstain Bears) as Mr. Boyd
- Telly Monster (from Sesame Street) as Booker T. Bookworm