30th Gundam Perfect Mission is a short original video animation (OVA) officially released by Sunrise in celebration of the 30th anniversary of the Gundam metaseries. It features all the titular and mascot gundams of the main series in a non-cannon conjoint mission. (Source: Gundam Wikia)

A new episode included with the complete Blu-ray box collection of A-Channel.

In 2029, a large scale ground sinkage occurred in the Mediterranean Sea. Chemical elements such as oxygen, carbon, gold, molybdenum, and cobalt disappeared from the earth's crust suddenly. The human population was decreased by 90% in sixty years. Researchers found out that the disappeared elements were drained into a planet Nega Earth, located in another dimension. To save the Earth, a special team called the Element Hunters is organized. All of the members are under 13 years old, because young and flexible brains are needed to access Nega Earth.

An original anime DVD bundled with a limited edition of saxyun's 4th Yurumates manga volume. The bundled DVD contained the opening animation sequence for the television anime series and its first episode, as well as two unaired episodes. The limited edition also included an exclusive booklet. (Source: ANN)