CREATE TABLE table_24638 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT)

What episode number in the season is episode 24 in the series?
SELECT "No. in season" FROM table_24638 WHERE "No. in series" = '24'
SELECT "No. in season" FROM "table_24638" WHERE "No. in series" = '24'