CREATE TABLE table_17222 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( millions ) " TEXT)

What was the series number for the episode 'I Forgot to Remember to Forget'?
SELECT MIN("No. in series") FROM table_17222 WHERE "Title" = 'I Forgot to Remember to Forget'
SELECT MIN("No. in series") FROM "table_17222" WHERE "Title" = 'I Forgot to Remember to Forget'