The series was produced by Transfilm-Wylde Animation, and aired for one season (1960–1961) on first-run syndication in the United States with over 150 six-minute episodes, being formatted originally into 30 half-hour shows.
[1] The original cartoons themselves were purchased from overseas countries in such locales as Eastern Europe by the Russian-born Fima Noveck, the President of Flamingo Telefilm Sales.
After the original cartoons arrived in the United States, they would receive a new soundtrack, including English language and music, that would appeal to American children.
This sped-up vocal group who imitated the Chipmunks actually beat them to television with an animated show called The Nutty Squirrels Present, and they looked down on the pop sound of Alvin and his gang.
The Nutty Squirrels actually had a big jazz hit with "Uh Oh, Part One and Two," but if you go back and listen to the rest of their discography, you'll be blown away by some of their other riffs.