DISC ONE
Episodes:
- 4.01: "Stemwinder: Part 1" (45:18)*
- 4.02: "Stemwinder: Part 2" (45:03)*
- 4.03: "Unfinished Business" (45:01)*
- 4.04: "No Thanks for the Memories" (45:00)
- 4.05: "It's in the Water" (44:02)

DISC TWO
- 4.06: "Night Crawler" (45:02)*
- 4.07: "Billy's Lost Weekend" (45:05)
- 4.08: "Photo Finish" (45:02)
- 4.09: "The Man Who Died Twice" (44:57)*
- 4.10: "Need to Know" (45:02)

DISC THREE
Episodes:
- 4.11: "Santa's Got A Brand New Bag" (45:05)
- 4.12: "Any Number Can Play" (45:00)
- 4.13: "Promises to Keep" (44:59)
- 4.14: "Rumors of My Death" (45:01)
- 4.15: "Bad Timing" (45:01)*

DISC FOUR
Episodes:
- 4.16: "Do You Take This Spy?" (45:04)
- 4.17: "Mission of Gold" (45:06)
- 4.18: "One Flew East" (44:32)
- 4.19: "All That Glitters" (45:04)
- 4.20: "Suitable for Framing" (45:03)**

DISC FIVE
Episodes:
- 4.21: "A Matter of Choice" (45:08)
- 4.22: "The Khrushchev List" (45:07)

English HoH and German HoH

1.33:1

Non-Anamorphic

PAL

English Dolby Digital 1.0
German Dolby Digital 1.0

Digipak

Scenes previously cut from the German broadcasts are in English with optional German subtitles.
*Episode previously unaired in Germany, in English with optional German subtitles only.
**Episode aired in Germany but the version on disc has only English audio and optional German subtitles.