CNN‘s Glen Campbell…I’ll Be Me took over as the most-watched CNN Films broadcast in the franchise’s history, clocking 2.76 million viewers in its Sunday 9 PM ET premiere. The docu, about Campbell’s life, music legacy and battle with Alzheimer’s disease, trounced its cable news competitors in overall audience and also finished first in the news demo, viewers 25-54, with 510,000 viewers.

Previously, CNN Films’ most watched docu had been Blackfish, which had opened with 1.356 million total viewers on October 24, 2013.

Glen Campbell…I’ll Be Me won first place in cable news for its time period on Sunday night for all three demos in its 9-10:45 PM ET premiere.  MSNBC clocked 463K total viewers and 251K news-demo viewers; Fox News Channel logged 139K news demo viewers and 593K total viewers.

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