Much of the media narrative of the past few years has been defined by the phrase “YouTube is TV”—or words to that effect. Changes in audience measurement, such as Nielsen’s The Gauge, have helped cement YouTube’s place alongside traditional TV, while ardent industry voices such as Evan Shapiro have spent the same period presenting alarming numbers at streaming and broadcast conferences. One thing is certain, YouTube has gone largely unchallenged—at least outside China. But could that finally be changing? Bilibili, China’s closest equivalent to YouTube, in which Alibaba, Sony, and Tencent are significant shareholders, has confirmed plans for more aggressive international expansion. An Android app for overseas users went live last week, with an iOS version expected to follow. However,…