The DVD of the first season includes both of Olivia's episodes Bad Reputation and Journey To Regionals.
Season one DVDs were also split up into two DVD volumes (Season 1 Volume 1 and Season 1 Volume 2), make sure you get the correct volume if buying them separately. Below are a couple of screengrabs from the two episodes. More photos from the Physical Glee video.
Total running is 381 minutes
Label: Twenty Century Fox
Country: UK
DVD Catalog#: FO 49797
Released: 2010
DVD: Region 2, PAL
Available worldwide including Europe, USA and Australia and also available on blu-ray.