A Station Eight Fan Web Site
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Here (http://youngjustice.wikia.com/wiki/Infiltrator#Trivia) it says:
When Cheshire is about to kill Dr. Serling Roquette at the end, she desists because the creation of the virus is completed. When this happens, Roquette's laptop emits a sound that's very similar to that of Ben's Omnitrix in Ben 10, another Cartoon Network show.
Was that on purpose?
No. Not even sure if it's true.