Fueled by the fall TV season and the addition of ABC shows to its library, traffic to Hulu -- the video site backed by NBC, ABC and Fox -- spiked nearly 47% in October from the prior month, the biggest single-month percentage gain of the past year.

Hulu served 856 million video streams during the month, up from 583 million in September, according to comScore Video Metrix. Unique visitors were also up nearly 10% to 42.5 million, from 38.7 million in September. Minutes per viewer were also up substantially, to 123 minutes from 92 minutes in September.

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