Includes 7 of only 13 Marx. Bros. films ever made! Bonus Extras including Commentary by Leonard Maltin. Collection includes: A Night at the Opera - The Marx Brothers turn Mrs. Claypool"s opera into chaos in their efforts to help two young hopefuls get a break. It contains the famous scene where Groucho Chico and Harpo cram a ship"s stateroom with wall-to-wall people gags one-liners musical riffs and two hard-boiled eggs. A Day at the Races (1937) - Groucho stars as Hugo Z. Hackenbush a horse veterinarian dispensing horse pills and quips with equal glee. Chico selling racing tips Harpo destroying a piano to turn it into a harp and favorite foil actress Margaret Dumont make this thoroughbred comedy wall-to-wall hilarity. A Night in Casablanca (1946) - This parody of the Bogart/Bergman 1943 classic features the Nazis vs. the nutsies as the Marx Brothers foil Axis criminals when they find stolen jewels and paintings Nazis have hidden in a hotel. Room Service/At the Circus - These two films are combined on one disc to provide double doses of laughter. In Room Service (1938) Lucille Ball and Ann Miller provide comic co-star support while the Marx Brothers play producers trying to keep their show above water and a hotel room over their head. In At the Circus (1939) Groucho stars as professional shyster lawyer J. Cheever Loophole in the middle of big-top bedlam as the boys try to save the circus and look to Margaret Dumont for the money to do so. Groucho sings one of his famous songs Lydia the Tattooed Lady. Go West/The Big Store - Another Marx Brothers twin bill makes this a hilarious comedy two-fer. In the first the Marxmen Go West (1940) to the land of outlaws and Indians where the fun never stops and where they outwit a land grabber. In The Big Store (1941) Groucho plays Attorney Wolf J. Flywheel who with sidekick Wacky (Harpo) and bodyguard Ravelli (Chico) are investigating the shady dealings of a crooked department store owner.