(The 4th Moon of Rhumba III has a core of almost pure plastic... and the surface is covered by a thick ion rainforest.)

Commander's Log:
Why is it that when I put together the best and brightest of my crew one is a robot and the other is an ape...?

**"Commander, I am picking up readings consistent with a huge complex below the surface... There seems to be a tunnel system..."**

**"Commander! Look out!!"**