Vandread Gekitouhen (Vandread Turbulence), similiar to Vandread Taidouhen, is an OVA summary of Vandread the Second Stage plus several extra scenes (Source: AniDB)

Vandread The First Stage (season one) was immediately followed up by this OVA. This OVA, also known as Vandread Taidouhen Stage (The Movement Stage) was a recap of the first 13 episodes with additional footage. So, Vandread Taidouhen is not really a bridge between Vandread The First Stage and Vandread The Second Stage (season two). It was made to bring …