We're sorry to hear that there are issues accessing these episodes! We're not sure what's changed on VHX's end, but all Dark Shadows video content remains available to subscribers.
From www.darkshadows.tv, click the “Browse” button at the top (left-hand corner).
Scroll down to “Titles Available for Purchase” section – and expand the section by clicking “View All (32)”. Don’t worry, you won’t be charged additionally to stream the content. These episodes are available to purchase/download, but you should be able to stream without encountering a paywall.
From here, all episodes are listed in chronological order, including Dark Shadows: The Beginning episodes prior to the appearance of Barnabas (in episode 210 – the first episode of Dark Shadows – Volume 1).
For easier chronological episode viewing, we recommend sorting by “Alphabetical” on the individual collection page:
Happy viewing! We hope that this helps to resolve your issue!