The Riddler's latest scheme involves stealing a wax figure to melt down for its wax that is powerfully corrosive when exposed to direct flame.
Did You Know?
If you look closely at Moth's costume, it would later be redressed and used as Batgirl's costume in the final season. See more
When Batman and Robin are analyzing the chemical contents of the "universal solvent" wax in the Batcave, the spectral lines indicate nitrogen, uranium, and sodium. Batman and Robin then deduce that this indicates "NUS" (from the first letters) and then they turn "NUS" backwards to get "SUN" which gives them the clue they need. The problem is that the symbol for sodium is not "S" but "Na", so the conclusion is invalid. See more
If only the Riddler's inventive mind could be channeled for good, what a better world this would be.