The clip show wasn't a clip show, rather it was a rerun of their very first episode, with pop-up notes like "Adam still had those shoes!" - it was fun, but if you've seen ep 1 recently (I did on DVD a few weeeks ago), you're not missing anything.
When the rocket car cleared the ramp and nosed over, my first thought was that their nose weight was too much and they should have left it off. But then I realized that only would have let it nose-up and pinwheel, so never mind. You're right, that thing wasn't going to "fly" no matter what.