CREATE TABLE table_70927 ("No. in series" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT)

What are the titles for episodes prior to episode 4?
SELECT "Title" FROM table_70927 WHERE "No. in series" < '4'
SELECT "Title" FROM "table_70927" WHERE "No. in series" < '4'