CREATE TABLE table_14937957_1 (original_airdate VARCHAR2, martial_art_style VARCHAR2)

When did the episode featuring a master using Brazilian jiu-jitsu air?
SELECT original_airdate FROM table_14937957_1 WHERE martial_art_style = "Brazilian Jiu-Jitsu"
SELECT "original_airdate" FROM "table_14937957_1" WHERE "Brazilian Jiu-Jitsu" = "martial_art_style"