Viacom and YouTube are at it again — legally.

The communications firm that owns MTV, Comedy Central and Nickelodeon is trying to revive a federal lawsuit against YouTube. The suit seeks more than $1 billion in damages from the video-sharing site for showing tens of thousands of pirated video clips from its shows. The new legal move to revive the lawsuit had been expected since a June ruling rejected Viacom’s copyright infringement lawsuit against YouTube and its corporate owner Google. The legal battle between the sides has raged on for nearly four years