You can use FQL to get a list of all the videos as described in this post .
SELECT actor_id, created_time, likes, post_id, attachment FROM stream WHERE filter_key IN ( SELECT filter_key FROM stream_filter WHERE uid = me() AND (name = "Video") )
stream_filter contains filters for filtering message flow. It contains several filters, which include lists that the user has created, and some default filters, such as filters for photos and videos.
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