All out

SELECT * FROM gallery2 WHERE topic_id="1137237" UNION SELECT * FROM gallery2 WHERE topic_id="227781" UNION SELECT * FROM gallery2 WHERE topic_id="165115" UNION SELECT * FROM gallery2 WHERE topic_id="1482678" UNION SELECT * FROM gallery2 WHERE topic_id="1660693" UNION SELECT * FROM gallery2 WHERE topic_id="200098" UNION SELECT * FROM gallery2 WHERE topic_id="1663035" UNION SELECT * FROM gallery2 WHERE topic_id="1691301" UNION SELECT * FROM gallery2 WHERE topic_id="1788153" UNION SELECT * FROM gallery2 WHERE topic_id="754440" UNION SELECT * FROM gallery2 WHERE topic_id="802411" UNION SELECT * FROM gallery2 WHERE topic_id="1400064" UNION SELECT * FROM gallery2 WHERE topic_id="240208" UNION SELECT * FROM gallery2 WHERE topic_id="1165485" UNION SELECT * FROM gallery2 WHERE topic_id="1594870" UNION SELECT * FROM gallery2 WHERE topic_id="38445"