CREATE TABLE table_73785 ("Series #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Viewers  ( in millions ) " TEXT)

When did the episode 'you gonna do that the rest of your life?' air?
SELECT "Original air date" FROM table_73785 WHERE "Title" = 'You Gonna Do That the Rest of Your Life?'
SELECT "Original air date" FROM "table_73785" WHERE "Title" = 'You Gonna Do That the Rest of Your Life?'