This article is about the television series. For other uses, see CRO (disambiguation).
Based on The Way Things Work by David Macaulay
Developed by Mark Zaslove
Starring Max Casella as Cro
Voices of Charlie Adler
Ruth Buzzi
Jim Cummings
Tress MacNeille
Candi Milo
Laurie O'Brien
April Ortiz
Jane Singer
Jussie Smollett
Frank Welker
Country of origin United States
No. of episodes 20 (list of episodes)
Executive producer(s) Phil Roman
Jeffrey Nelson
Running time Approx. 23 mins.
Production company(s) Children's Television Workshop (CTW)
Film Roman
Original network ABC
Original release September 18, 1993 – October 22, 1994

Cro is an American animated television series produced by the Children's Television Workshop (now known as Sesame Workshop) and Film Roman. It debuted on September 18, 1993 as part of the Saturday morning line-up for fall 1993 on ABC. Cro lasted 1½ seasons and ran in reruns through summer 1995. The show had an educational theme (this was before federal educational/informational mandates took effect in 1996), introducing basic concepts of physics, mechanical engineering, and technology. The premise of using woolly mammoths as a teaching tool for the principles of technology was inspired by David Macaulay's The Way Things Work; Macaulay is credited as writer on the show.[1] The last new episode aired on October 22, 1994. The show was released on video (VHS) in a total of nine volumes.


Dr. C and Mike travel to the Arctic to study artifacts, and find a frozen woolly mammoth named Phil. They thaw it out, and are surprised to find that it can speak. Whenever a situation involves physics principles, Phil remembers when a similar situation occurred long ago in Woollyville with his fellow mammoths and his Cro-Magnon friend Cro who lives with a family of Neanderthals. Each episode runs through how the situation was resolved through simple engineering.

The show's (and lead character's) name is an Occitan word for "cave"; it alludes to Cro-Magnon, the location in France where the earliest anatomically modern humans were first discovered.


"Pakka" redirects here. It is not to be confused with Paka (disambiguation).




Other characters


Season 1 (1993–1994)

Title Airdate Synopsis
1 "Just a Stone's Throw Away" (Pilot) September 25, 1993 After Bobb and Steamer trap themselves on the opposite side of a canyon, a few of Woolyville’s residents band together to find an ingenious way to reach the other side to rescue them. Meanwhile, in the present, Phil helps Mike with his basketball skills with aid of a catapult.
2 "No Time for Steamer" October 2, 1993
3 "Destroy all Buckies" October 9, 1993
4 "It's Snow Problem" October 16, 1993
5 "Let Me Help" October 23, 1993
6 "The Legend of Big Thing" November 6, 1993
7 "A Bridge Too Short" November 13, 1993
8 "Pakka's Cool Invention" November 20, 1993
9 "Here's Looking at You, Cro" January 29, 1994
10 "No Way Up" February 5, 1994
11 "Adventures in Miscommunications" February 12, 1994
12 "Escape from Mung Island" February 19, 1994
13 "Pulley for You" February 1, 1994
14 "Things That Eat Mung in the Night" February 26, 1994

Season 2 (1994–1995)

Title Airdate Synopsis
15 "Meal Like a Pig" September 17, 1994
16 "What's That Smell" September 24, 1994
17 "Play It Again, Cro...Not!" October 1, 1994
18 "Lever in a Million Years" October 8, 1994
19 "Turn Up the Heat" October 15, 1994
20 "They Move Mammoths, Don't They?"
October 22, 1994


The videos that were released by Republic Home Video in the United States are:

Episodes: "No Way Up" and "Escape from Mung Island"
Episodes: "Pulley to You" and "A Bridge Too Short"
Episodes: "Lever in a Million Years" and "Play It Again, Cro...NOT!"


  1. ""Cro" (1993)". Internet Movie Database. Retrieved 1 May 2010.
  2. Gogg: Hey, I no come like everyone else because I think Ogg lonely. [takes a handful of mung from the pile] Me just want more mung!" - In Things That Eat Mung in the Night
  3. Ogg: "Ogg got golden voice!" - In Play It Again, Cro...Not!
  4. Gogg: "Gogg play one mean armpit!" - In Play It Again, Cro...Not!
  5. Phil: "Not bad. Sort of a primitive bagpipe. It will fill my wind section perfectly!" - In Play It Again, Cro...Not!
  6. Nandy: "Nandy great at percussion!" - In Play It Again, Cro...Not!
  7. Big Red: "I have decided to accompany you flea biters this time in order to prevent further failure. If we do not succeed on our mission tonight, I will be forced to gnaw on one of youse." - In Things That Eat Mung in the Night
  8. Murray: "But it is very, very chilly out there in the cold, cold snow, boss. Perhaps we'd better wait 'til the mornin'?" Big Red: [growls] "Are you thinking again, Murray?" Murray: "Oh no, no, no, no, no, no, boss. See, I just thought that- Whoop!" [yelps as he is kicked out of the cave] "We was just leavin', Big Red." - In Things That Eat Mung in the Night

External links

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