i watch most of জীবন্ত online now. but i'm only going to recommend legal, commercial ways (you have to either watch commercials and/or pay a monthly fee).
Crunchyroll - has the most simulcasts (subs that come out the at about the same time that the episode originally airs in japan). it has a huge লাইব্রেরি of older জীবন্ত too. they're almost all subtitled though. আপনি can watch it for free with commercials, অথবা subscribe to it (which i do). আপনি can also watch Crunchyroll on devices like a PS3, XBox360, and several smart phones.
link Funimation - the official site for the জীবন্ত dvd dubbing company. when they get a new license to a series, they often time release the subtitled version of the series for free with commercials (sometime this is simulcasted). they also often let আপনি watch the first several episodes of many of their dvd series dubbed. if আপনি subscribe to them, a large quantity of their dvd লাইব্রেরি becomes available to watch (i don't subscribe).
link Hulu - they have a large লাইব্রেরি of জীবন্ত dubs (subs if a dub isn't availabe). আপনি can watch many of their shows for free with commercials in it. if আপনি subscribe to Hulu Plus, there's আরো episodes that আপনি can watch, plus আপনি can watch it on devices like a PS3.
link Viz জীবন্ত - the dvd dubbing company's official site. আপনি can watch many of their shows on their site (powered দ্বারা Hulu).
link YouTube - they have a ton of জীবন্ত series often dubbed that আপনি can watch with commercials. i'm not sure if they can be watched on devices like a PS3 অথবা smart phone.
link Nico Nico Douga - a Japanese youtube-like company. they have an English version and host several simulcasts. i'm not sure how to get to the current page that has full জীবন্ত episodes অথবা simulcasts though (it's tought to navigate)
link Netflix - only available with a subscription fee, but lots of families subscribe to Netflix, so there's a good chance আপনি might be able to watch it. they have a good assortment of জীবন্ত dub series. আপনি can also watch it on a PS3, XBox360, Wii, smartphone etc.
link জীবন্ত Network - আপনি have to subscribe to watch most episodes, but they have a large assortment of dubs and subs and a couple simulcasts. the first episode of most series is available without a subscription.
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