Debug showing array values twice Follow

I'm using InteliJ Ultimate (not sure if its any different that webstorm in this context)

Arrays values in the debugger have started showing up twice and not sure how this started or how to get it to stop?  JS Objects and other types are fine.

https://www.dropbox.com/s/jcqmewt8x0ys0m0/Screenshot%202016-05-30%2010.51.55.png?dl=0