Caillou Gets Grounded was a series that lasted from 1989-2019, it was replaced by Caillou Gets Grounded (2019 Series).
- The Caillou Gets Grounded Handbook, 1995 Description - "Caillou is a really bad boy who gets into trouble by escaping school, kissing his classmates and more"
- Website Description - "Caillou is a naughty troublemaker who causes mischief every day, he escapes his school to go to Chuck E. Cheese's and more"
Lasted from 1989-1990, cel animated by Klasky Csupo.
- Caillou Escapes School to go to CEC (premiered October 1, 1989)
- Caillou Kisses Dora (October 5, 1989)
- Caillou Floods The House (October 10, 1989)
- Caillou Calls The Baby Stupid (October 20, 1989)
- Caillou Litters A Soda Bottle (November 5, 1989)
- A CAILLOU FLASHBACK: Doris Marries Boris (December 26, 1989)
- Caillou Misbehaves at McDonalds (January 27, 1990)
- Caillou and Boris Switch Themselves (February 28, 1990)
- Caillou Blows Up The White House (March 9, 1990)
- Caillou Turns School into CEC (April 20, 1990)
Lasted from 1990-1991, cel animated by Klasky Csupo.
- Caillou Escapes His House to go to the New Year's Party (December 31, 1990)
- Caillou Destroys Rosie's Dora Doll (February 2, 1991)
- Caillou Litters A Pie (police animation reused from Caillou Litters A Soda Bottle) (February 6, 1991)
- Caillou Uses The Girls Bathroom (February 14, 1991)
- Caillou Turns The City Hall Into Burger King (the first ever "Punishment Day" episode) (February 20, 1991)
- Caillou Asks For Beer (February 21, 1991)
- Caillou Misbehaves At The Concert (February 27, 1991)
- Caillou Calls Doris Doris (March 1, 1991)
- Caillou Escapes His House to go to CEC (March 9, 1991)
- Caillou Cusses At His Dad (April 10, 1991)
Lasted from 1991-1992, cel animated by Klasky Csupo.
- Caillou Gets His Own Game Boy (September 3, 1991)
- Caillou Escapes His House AGAIN to go to CEC (lots of animation reused from the previous CEC episodes)
- Caillou Has A Stupid Name
- Caillou Shaves Rosie's Head
- Caillou Goes To Japan
- Caillou Cusses At His Teacher (some voice clips reused from Caillou Cusses At His Dad)
- Caillou Gets Fat at CEC (some backgrounds reused from Caillou Escapes His House to go to CEC)
- Caillou Escapes His House FOR THE THIRD TIME to go to CEC (He doesn't actually go, since his dad caught him)
- Caillou Blasts Loud Music In School
- Caillou's Birthday Disaster
Lasted from 1992-1993, cel animated by Film Roman.
- Caillou Meets Caillou (last episode animated by Klasky Csupo, several animations reused from previous episodes)
- Caillou Watches A Scary Movie (first episode animated by Film Roman)
- Caillou's Behavior Card Day (first "Behavior Card Day" episode)
- Caillou's New Voice
- Caillou Goes To The Internet
- Caillou Scares Rosie
- Doris' New Look
- Caillou Escapes His House FOR THE FOURTH TIME to go to CEC
- Caillou Sees Doris Using The Bathroom
- Caillou's Second Punishment Day (the second "Punishment Day" episode)
Lasted from 1993-1994, cel animated by Film Roman.
- Caillou Drives His Dad's Car (last episode directed by GoAnimate Comedian)
- Caillou Gets Grounded For Nothing (first episode directed by Brendan Barney)
- Caillou Gets Steroids
- Caillou Calls Boris Grandpa
- Caillou Escapes His House FOR THE FIFTH TIME to go to CEC (several animations reused from The 4th Time)
- Caillou Sells Poop
- Caillou Works At The Movies
- Caillou Works At A Toy Store
- Caillou Steals Doris' hairbow
- Caillou Misbehaves at Dinner
Lasted from 1994-1995, cel animated by Film Roman.
- Caillou Destroys His Home Video
- Caillou Makes Rosie Miss The Lion King (first "Road Trip" episode)
- Caillou Meets 2 Caillous
- Caillou Gets A Barney Error (first "Barney Error" episode)
- Caillou Steps in Dog Poop
- Caillou Gets Detention
- Caillou's Christmas Disaster
- Caillou Gets Scammed
- Caillou Eats The Fridge
- Caillou Turns Dora Into A Boy
Lasted from 1995-1996, cel animated by Film Roman.
- Caillou Goes To Russia
- Caillou Gets Fat at CEC for the second time
- Caillou Makes Rosie Miss Toy Story (second "Road Trip" episode, several things reused from the first road trip episode)
- Caillou Makes Rosie Miss Jumanji (third "Road Trip" episode, several things reused from the first two episodes)
- Caillou Misbehaves at Breakfast
- Caillou Misbehaves at an Asian Restaurant
- Caillou Misbehaves at School Camp
- Caillou Goes To Summer School (first "Summer School" episode and last episode directed by Brendan Barney)
- Caillou Goes Back To School (first episode directed by Cow Animate)
- Caillou Goes Back To School Again (several animation reused from the first Back To School episode)
Lasted from 1996-1997, cel animated by Film Roman.
- Caillou's Last Day of Preschool
- Caillou's First Day of 1st Grade
- BORIS CAM: Caillou Doesn't Do His Math Homework (Camera effects digitally added via computer)
- Caillou Ruins His Sister's Birthday (last episode directed by Cow Animate)
- Caillou Misbehaves At Popeye's (first episode since Season 7 to be directed by Brendan Barney)
- Caillou Misbehaves At Burger King
- Caillou Escapes School to go to CEC AGAIN (first episode directed by Gutterball34)
- Caillou's Baseball Incident
- Caillou's Second Baseball Incident (uses archive footage from Caillou's Baseball Incident)
- Caillou Runs On A Baseball Game News Report (uses archive footage from Caillou's Baseball Incident)
Lasted from 1997-1998, cel animated by Film Roman.
- Caillou Misbehaves at East Side Mario's (Guest Director: Nathan's Creative Name)
- Caillou Misbehaves at Black Wolf Lodge Part 1
- Caillou Misbehaves at Black Wolf Lodge Part 2
- Caillou Meets Uolliac (debut of Uolliac, who would get his own series in 1999)
- Caillou Becomes A Bandwagoneer (first episode directed by Venomous Soup)
- Caillou Drives His Dad's Car Again (some reused animation from the original Season 5 episode)
- Caillou Sneaks To The Star Wars Bar
- Caillou Chats With Dora
- Caillou Misbehaves In Class
- Caillou Throws Rosie Out The Window
Lasted from 1998-1999, cel animated by Film Roman.
- Caillou Misbehaves At Al's Pizza
- Caillou Gets Fat at McDonalds
- Caillou Plays Loud Music In His Bedroom
- Caillou Releases Rosie From Jail (Venomous Soup's last episode he directed)
- Caillou Turns His School Into CEC
- Caillou Hacks CEC's (first episode directed by UVAnimates)
- Caillou Gets Held Back (only episode directed by Roslina P., first held back episode)
- Caillou Leaves The Shower Running (first episode to be directed by Cewyah, who would save the series from cancellation)
- An Average Uolliac Video (last appearance of Uolliac in the series, pilot for Uolliac Gets The Grounses)
- Caillou Runs Away From School to ??? (planned to be the series finale)
Lasted from 1999-2000, cel animated by Film Roman.
- How Caillou Stole Christmas (first in a long string of episodes directed by Cewyah)
- Caillou Says The N Word (when Ivy Marcot did the voice acting, the bleeped N word was actually her saying "Nickelodeon")
- Caillou Misbehaves At McDonalds With A Unique Plot
- Caillou's Punishment Day
- Caillou Gets Held Up
- A CAILLOU FLASHACK: Caillou Calls The Baby Sister Stupid
- Caillou's 107th Episode Spectacular (criticized for being a ripoff of the Simpsons 138th Episode Spectacular)
This series is criticized for being stupid and unoriginal.