CREATE TABLE "table1_24425976_7" (
  "series" real,
  "season" real,
  "original_air_date" text,
  "production_code" real,
  "episode_title" text
);

Question: What date did episode 4 in the season originally air?
SQL: SELECT "original_air_date" FROM "table1_24425976_7" WHERE "season"=4;

Question: What date did episode 115 in the series originally air?
SQL: SELECT "original_air_date" FROM "table1_24425976_7" WHERE "series"=115;