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I remeber watching it on The ABC but I cannot remeber the name. I think that the robots were different colours (maybe magenta, yellow, aquamarine or blue)
Hey, just in case you've remembered, I've also had a sudden urge to remember this show. The three sentient robots names were Legs, Wheels, and Hover, and aside from the fact they explored the solar system I can't remember what it was like.
I came across this when I was searching: https://www.reddit.com/r/tipofmytongue/comments/15vfdj/tomt_3d_cgi_educational_cartoon_about_robots_that/
Does anyone else know? I figure I should continue this one instead of making my own
EDIT: Pardon me, it was as Sir Boris said, it is Destination: Space. I found it on Amazon here: https://www.amazon.com/Destination-Space-Animated-Adventure-n/dp/B006QVRVCC

Ok. So I have no idea of country of origin, but I watched it as a kid in Australia in the late 90's or early 2000's, and it was definitely all cgi.. It was educational and about a group of NASA style space exploring robots, one was a Lander type carrier, one was named Wheels coz she like had wheels, and another one was a probe like thing, and they were all sentient and stuff and explored the planets and, my god, its 3am and I've scoured the net and found nothing. TV tropes, yer mah only hope.