Well, you knew this was going to happen sooner or later.
In the 80's, the success of Jim Henson's Muppet Babies prompted Hanna-Barbera to try "prequel" series to a couple of their franchises, and got a couple of years out of The Flintstone Kids and 3 out of A Pup Named Scooby-Doo. Similarly attempting to duplicate the formula with Yogi Bear bombed, and that was the end of that, or so we thought.
10 years after the debacle that was Yo, Yogi, Warner Bros. decided to try a non-canonical "prequel" with Baby Looney Tunes. The series initially aired on Kids' WB!, then moved to Cartoon Network the following season. 53 episodes in all were produced, and the series would continue on CN, particularly as part of its short-lived Tickle U block, until 2006. Earlier this month, the series resurfaced on Boomerang for however long that'll last.
Let's look at the intro:
Don't Bugs & Lola look so cute at toddlers?