CREATE TABLE table_24474 ("No. in series" TEXT, "No. in season" TEXT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT)

What is the number in season for the episode written by Chris Mitchell and Erik Wiese?
SELECT "No. in season" FROM table_24474 WHERE "Written by" = 'Chris Mitchell and Erik Wiese'
SELECT "No. in season" FROM "table_24474" WHERE "Written by" = 'Chris Mitchell and Erik Wiese'