Some physical packs, like the Amazon Exclusive , include bonus content like double-sided art cards. Streaming vs. Physical Media

Purchasing the DVD or Blu-Ray from retailers like Amazon ensures you own the content permanently without worrying about streaming rights changes.

If you want a companion book, The Official Guide to the Complete Series provides behind-the-scenes interviews and photographs across all seasons. Quick Tips for Buyers

Are you interested in the or just Season 6 ?

You can find the complete season on Netflix (International) and BBC iPlayer (UK).