Temple preparation seminars often help activate couples and single adults. Each ward conducts these seminars as often as needed (usually one or more times each year). These seminars also may be held on a multiward or stake level, but smaller groups usually are more successful.
Priesthood leaders are encouraged to use Endowed from on High: Temple Preparation Seminar Teacher's Manual (35322) in conducting seminars.Quorum and group leaders work together with the bishopric and home teachers to identify members who should be invited to participate. Active members who are helping the less active may be invited to to attend these seminars.
Melchizedek Priesthood
Leadership Handbook, p. 7.