Question: What was the famous film and TV series featuring U-Boat commander Alfred Radermacher?
Context: Alfred Saalwächter (10 January 1883 – 6 December 1945) was a German U-boat commander during World War I and General Admiral during World War II. Pankaj Dheer is an Indian television and film actor.  His best known role was as Karna in epic TV series, Mahabharata (1988–1990), which became a famous Indian television series, and as Shivadatta in "Chandrakanta" (TV series) (1994–1996).  He also played the role of Sadashivrao Bhau, the commander in chief of the Maratha army at the third battle of Panipat in the TV series The Great Maratha produced by Sanjay Khan. The "Laconia" incident was a series of events surrounding the sinking of a British troopship in the Atlantic Ocean during World War II and an attack on the subsequent rescue attempts.  On 12 September 1942, RMS "Laconia" carrying some 2,732 crew, passengers, soldiers and prisoners of war (POWs), was torpedoed and sunk by the German U-boat submarine "U-156" off the coast of West Africa.  Operating partly under the dictates of the old prize rules, the U-boat commander, "Korvettenkapitän" Werner Hartenstein, immediately commenced rescue operations.  "U-156" broadcast their humanitarian intent on open radio channels to all Allied forces in the area, and were joined by the crews of several other U-boats in the vicinity. The Most Terrible Time in My Life (我が人生最悪の時 , "Waga jinsei saiaku no toki " ) is a 1994 film directed by Kaizo Hayashi.  The film is the first in the series featuring the detective Mike Hama (a play on the Mickey Spillane detective Mike Hammer), which included two more films by Hayashi ("Stairway to the Distant Past" and "The Trap"), a TV series ("Shiritsu tantei Hama Maiku"), and a film made from one episode of that TV series (""). Everyday Edisons is an American reality TV series that airs on PBS, featuring different inventors who are trying to launch their inventions in the marketplace.  Created by Louis Foreman and Michael Cable, the show's first casting calls were held July 2005 in Charlotte, North Carolina and Atlanta, Georgia and sought to find 12 inventors for the show to follow the development, manufacture and marketing of their inventions and pay the inventors royalties on the sale of their product or concept.  The show premiered on April 22, 2007 on PBS, an American broadcast television network, and was marketed as "a reality series featuring 14 first-time inventors who surrendered their ideas to product developers to prove a point: The big dreams of little people can make a difference."  The show is produced by Everyday Edisons, LLC under license from Edison Nation Holdings, LLC (formerly Bouncing Brain Productions, LLC) of Charlotte, North Carolina. Maze the Megaburst Space (Japanese: MAZE☆爆熱時空 , Hepburn: Meizu Bakunetsu Jikū ) is a fantasy light novel series featuring both sex-based humor and mecha themes.  It was adapted into an anime version that was first released as an OVA then a full length TV series and finally as a sequel movie.  The OVA and anime television series versions were licensed in North America by Central Park Media and released on DVD under their Software Sculptors label.  The TV series has aired on Comcast's Anime Selects On Demand channel multiple times.  The manga has not been released in the North America. Alfred Radermacher (13 Sep 1913 - 1994) was a career officer of both the Reichsmarine and Kriegsmarine who served as a navigator, and later commander, of German U-boats during the Second World War.  He is best known for serving as navigator of U-96 during its 7th war patrol which was documented by naval war correspondent Lothar-Günther Buchheim.  Radermacher was subsequently portrayed in both the novel and film versions of the war patrol, known as "Das Boot". Guy Schwartz (born February 17, 1952) is an American musician, bandleader, songwriter, videographer, music journalist, media activist, and 2016 presidential candidate, mostly known for his collaborative involvement with other Texas musicians, a couple of regional minor-hit records in the 1970s and 1980s, his three local Houston, Texas cable access TV series featuring local and regional original music, and live performances featuring set pieces plus spontaneous music and lyrics. Das Boot (] , German meaning "The Boat") is a 1981 German war film written and directed by Wolfgang Petersen, produced by Günter Rohrbach, and starring Jürgen Prochnow, Herbert Grönemeyer, and Klaus Wennemann.  It has been exhibited both as a theatrical release and as a TV miniseries (1985), in several different home video versions of various running times, and in a longer director's cut version supervised by Petersen in 1997. A tonnage war is a military strategy aimed at merchant shipping.  The premise is that the enemy has only a finite number of ships, and a finite capacity to build replacements for them.  The concept was made famous by U-boat commander Karl Dönitz, who wrote: "The shipping of the enemy powers is one great whole.  It is therefore in this connection immaterial where a ship is sunk—it must still in the final analysis be replaced by a new ship".
Answer: Das Boot