According to the official website, the TV airing of the third episode of Gokujo.
was canceled. The production company decided the cancellation on it own after a self-scrutiny of the "silliness" of the episode. The episode will be steamed on DMM.com on February 6th. They apologized for the repeated cancellations.
Source: Gokujo. official website
Related topic: First Episode of Gokujo. Canceled Due to Censorship
Note: The cancellation seems to be a way of promotion. I won't make a separate topic even if another episode is canceled.