First I'll say that Marvin and Bugs are very good in this Looney Tunes episode. Secondly I'll say that I did not like the other parts of this cartoon nearly as much. Stuff that I liked were the two main characters, the quotes and I thought the plot was quite good. The jokes are - in places - mediocre, at least the farce and slapstick ones are.
Personally I prefer "Mad as a Mars Hare" a slightly similar cartoon also featuring Bugs and Marvin. This particular cartoon is more for people who like the slapstick and farce in Looney Tunes, although this for people who like Bugs Bunny as well - at least to watch once, anyhow.
Planktonrules submitted a good point in his review: Why is this cartoon banned? I had not heard it was until I read his review and I think the reason may be something to do with the idea of "exploding the earth" and perhaps the fact that it is set in a demolition site may be something to do with it. These are complete guesses, but it's something to think about while you watch this cartoon.
Bugs Bunny, having had carrot juice and radish juice mixed, feels absolutely dreadful and is having a sort of hangover. Due to some circumstances (that you have to watch to understand properly) Bugs climbs into a space rocket and finds himself in space, on a comet and in some sort of space station where a little alien is very excited....
I recommend this to all Bugs Bunny fans, people who like space Looney Tunes and people who like farce at least a little bit. Enjoy! :-)