Question: Name the series number for  M. Scott Veach & Rebecca Kirsch
SQL: SELECT "Series #" FROM "1-20704243-5" WHERE "Written by" = 'M. Scott Veach & Rebecca Kirsch';

Question: Name the number of viewers for series number 50
SQL: SELECT "U.S. viewers (in millions)" FROM "1-20704243-5" WHERE "Series #" = 50.0;

Question: Name who directed season 1
SQL: SELECT "Directed by" FROM "1-20704243-5" WHERE "Season #" = 1.0;