CREATE TABLE table_14562722_2 (episodes INT, region_4 VARCHAR)

Name the most epiosdes when region 4 is march 13, 2008
SELECT MAX(episodes) FROM table_14562722_2 WHERE region_4 = "March 13, 2008"
SELECT MAX("episodes") FROM "table_14562722_2" WHERE "March 13, 2008" = "region_4"