The band 's second studio album `` Kerplunk '' sold 50,000 copies in the U.S. Breakthrough success ( 1994 -- 1996 ) .
Its second album , `` Kerplunk '' , sold about 50,000 copies in the U.S. , which was a lot for the punk band in 1992 . Breakthrough success ( 1994 -- 1996 ) .