Rating all Power Rangers Theme Songs [From Worst to Best] A Day. DISCLAIMER: Before any of you attack me, this is my opinion. Everyone’s views are different and there are NO FACTS when it comes to opinions. Now… Let’s get to the reason why I chose this one as the “worst” or last. It’s basically the MMPR theme song but it’s with the Alien Rangers instead. But I will say it will be a bit hypocritical of me because there are two more MMPR theme remixes that will (Spoiler Alert) be rated higher. But