CREATE TABLE table_41166 ("Episode Number" FLOAT, "Air Date" TEXT, "Guest Host" TEXT, "Musical Guest  ( Song performed ) " TEXT, "Who knows the most about the guest host? panelists" TEXT)

Who were the panelists on episode number 4?
SELECT "Who knows the most about the guest host? panelists" FROM table_41166 WHERE "Episode Number" = '4'
SELECT "Who knows the most about the guest host? panelists" FROM "table_41166" WHERE "Episode Number" = '4'