Question: What episode  number of the series aired on February 26, 1968?
SQL: SELECT "Series #" FROM "1-25800134-12" WHERE "Airdate" = 'February 26, 1968';

Question: How many people directed the episode that aired on February 5, 1968?
SQL: SELECT COUNT("Director") FROM "1-25800134-12" WHERE "Airdate" = 'February 5, 1968';

Question: Who directed the episode that aired on September 25, 1967?
SQL: SELECT "Director" FROM "1-25800134-12" WHERE "Airdate" = 'September 25, 1967';

Question: Who directed the episode that aired on February 19, 1968?
SQL: SELECT "Director" FROM "1-25800134-12" WHERE "Airdate" = 'February 19, 1968';

Question: How many episode titles aired on September 25, 1967?
SQL: SELECT COUNT("Title") FROM "1-25800134-12" WHERE "Airdate" = 'September 25, 1967';