According to the official blog of Oguro Yuichiro, the chief editor of Anime Style, the release of Mobile Suit Gundam Unicorn
Blu-ray & DVD volume 3 was postponed until April 7th. It was previously announced to be released on March 18th. Bandai explained the reason that they have received unexpectedly large number of pre-orders and it has become difficult to secure the production lines.
PV1 of Unicorn Episode 3
The special premiere at the theaters and the pay-streaming on PlayStaion Network will be available from March 5th as scheduled. According to the official twitter, the limited sales of the blu-ray at the theaters has barely got the green light. The number of the discs to be sold at the theaters are still remained to be determined.
Sources: Oguro's blog
, Unicorn official twitter