Anime that start off as Shonen Jump manga become the series with the biggest hype behind them going into their seasonal premieres. This is because only the best manga get serialized in Jump, making the name a seal of quality in and of itself. Thanks to MyAnimeList, fans can easily identify which Shonen Jump series are the most highly regarded of them all.
Gintama started in the 2000s and has had a lot of hype behind it ever since. The setting is both familiar and completely out there as aliens take over feudal Japan, giving it access to advanced technology. There are also several references to the Japan of the past, such as the Shinsengumi.
Gintama combines action with comedy in such a way that they complement each other. Protagonist Gintoki could break the fourth wall by complaining about Shonen Jump's current line-up one minute and whoop someone's butt with his sword the next. With a wacky cast of characters and epic battles at every turn, Gintama is one of Shonen Jump's best.