An Unbreakable Stone
- Episode aired 2010
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When the firefly brothers, Strobe and Sparkle, find a diamond in the marsh, it isn't long before the devilish Cosmo hatches a plan to steal it.When the firefly brothers, Strobe and Sparkle, find a diamond in the marsh, it isn't long before the devilish Cosmo hatches a plan to steal it.When the firefly brothers, Strobe and Sparkle, find a diamond in the marsh, it isn't long before the devilish Cosmo hatches a plan to steal it.