Kväll på operan was released in the year 1935。Kväll på operan is also called as A Night at the Opera, Nit a l'ò, Marx Brothers in der Oper, Lyla B'Opera, Ilta oopperassa, Halløj i operaen, Galakväll på operan, Uma Noite na Ópera, Noche en la ópera。

The Marx Brothers take on high society. Two lovers who are both in opera are prevented from being together by the man's lack of acceptance as an operatic tenor. Pulling several typical Marx Brothers' stunts, they arrange for the normal tenor to be absent so that the young lover can get his chance.

Kväll på operan actors and actresses include Chico Marx, Groucho Marx, Harpo Marx, Kitty Carlisle, Sig Ruman。