lol episode 4 of MR.BRAIN is already subbed via
http://www.dramacrazy.net/japanese-d...ain-episode-4/
Episode 5 is basically spilt up into 2 parts according to my younger sister whom has already watched the raw
she said that in the 1st part , it's continued from where episode 4 stopped & then the 2nd half , it's a new case altogether
the previews for the 2nd 1/2 of episode 5 is