First time I hear about this movie.

A video clip of draft animation can be seen here: https://www.thewrap.com/looney-tunes-the-day-the-earth-blew-up-clip/ . Interesting to see them come back to 2D animation.

Wikipedia page of the movie: https://en.wikipedia.org/wiki/The_Day_the_Earth_Blew_Up%3A_A_Looney_Tunes_Movie