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Toonami has posted on their official Tumblr that, not only will July 20th will be the last night of The Thundercats, they're losing the rights to the Studio 4C produced cartoon revival. The 20th will also be the last night of Sym-Bionic Titan, but that's likely to return at some point. In their place, starting July 27th, the block will be airing Sword Art Online at 2am and Big O Season 2 at 3:30am.
The July 27th line-up includes
12:00a Bleach
12:30a Naruto Uncut
01:00a One Piece
01:30a Soul Eater
02:00a Sword Art Online
02:30a IGPX
03:00a Eureka 7
03:30a Big O Season 2
04:00a Full Metal Alchemist Brotherhood
04:30a Cowboy Bebop
05:00a Inuyasha
05:30a Inuyasha
Source(there's a promo video of Big O season 2, but I didn't care to post it because anyone that actually cared about Big O have seen it already)
This is probably the only way I'll watch SAO, but I'm glad to see Sym-Bionic Titan go and I'm gonna miss Thundercats putting me to sleep
Clik here to view.

Toonami has posted on their official Tumblr that, not only will July 20th will be the last night of The Thundercats, they're losing the rights to the Studio 4C produced cartoon revival. The 20th will also be the last night of Sym-Bionic Titan, but that's likely to return at some point. In their place, starting July 27th, the block will be airing Sword Art Online at 2am and Big O Season 2 at 3:30am.
The July 27th line-up includes
12:00a Bleach
12:30a Naruto Uncut
01:00a One Piece
01:30a Soul Eater
02:00a Sword Art Online
02:30a IGPX
03:00a Eureka 7
03:30a Big O Season 2
04:00a Full Metal Alchemist Brotherhood
04:30a Cowboy Bebop
05:00a Inuyasha
05:30a Inuyasha
Source(there's a promo video of Big O season 2, but I didn't care to post it because anyone that actually cared about Big O have seen it already)
This is probably the only way I'll watch SAO, but I'm glad to see Sym-Bionic Titan go and I'm gonna miss Thundercats putting me to sleep