An exemplary method includes a media content asset recovery system 1) detecting a migration of a user account from being associated with a first DVR system to being associated with a second DVR system, 2) identifying, in response to the detecting, a media content asset included within a library of one or more media content assets stored by the first DVR system at a time associated with the migration, 3) selecting, in accordance with a source selection heuristic, a media content source other than the first DVR system and that is configured to distribute the media content asset, and 4) directing the second DVR system to acquire the media content asset from the selected media content source for storage by the second DVR system.