Question: What was the series number for the episode "I Forgot to Remember to Forget"?
SQL: SELECT MIN("No. in series") FROM "1-11820086-1" WHERE "Title" = '"I Forgot to Remember to Forget"';

Question: Who directed the episode that was viewed by 2.57 million people in the U.S.?
SQL: SELECT "Directed by" FROM "1-11820086-1" WHERE "U.S. viewers (millions)" = '2.57';

Question: Who directed the episode that was viewed by 2.50 million people in the U.S.?
SQL: SELECT "Directed by" FROM "1-11820086-1" WHERE "U.S. viewers (millions)" = '2.50';

Question: Which episode number in season 5 was viewed by 3.00 million U.S. viziers?
SQL: SELECT MIN("No. in season") FROM "1-11820086-1" WHERE "U.S. viewers (millions)" = '3.00';