Abstract: A multimedia system comprises a content obtaining module arranged to obtain a plurality of available content items for viewing or recording at a selected time, a storage module arranged to store viewing history information for content items that have previously been viewed, the viewing history information being stored in association with at least one time slot, a content rating module arranged to determine a rating for each of the available content items based on the viewing history information for one or more of the time slots that correspond to the selected time and a content recommendation module arranged to generate recommended content items based on the rating. The content rating module is arranged to update the rating for one or more of the recommended content items based on viewing interest information relating to a current viewing session.