Question: When "Episode 1" is the title what is the overall number?
SQL: SELECT "No. overall" FROM "1-18335117-3" WHERE "Title" = '"Episode 1"';

Question: When 15 is the number overall what is the original air date?
SQL: SELECT "Original air date" FROM "1-18335117-3" WHERE "No. overall" = 15.0;

Question: When 1 is the number in series who is the director?
SQL: SELECT "Director" FROM "1-18335117-3" WHERE "No. in series" = 1.0;