Earl Green is the creator, curator, and head writer of theLogBook.com.
The 543rd episode of Doctor Who airs on BBC1. This story brings the E-space trilogy to a close and is written by science fiction novelist Stephen Gallagher. Clifford Rose and Kenneth Cope guest star.
This timeline entry leads to an entry covering this entire Doctor Who serial; there are plans to write new episodic entries in the future. You can support this effort!
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The second episode of the TV adaptation of Douglas Adams’ science fiction comedy The Hitchhiker’s Guide To The Galaxy airs on BBC2; Sandra Dickinson and Mark Wing-Davey join the cast. 
ITV airs the 17th episode of P.J. Hammond’s science fiction series Sapphire & Steel, starring David McCallum and Joanna Lumley. David Collings (Doctor Who, Blake’s 7) guest stars.
This series is not yet chronicled in the LogBook. You could join theLogBook team and write this guide or support the webmaster’s efforts to expand the site.
ITV airs the 18th episode of P.J. Hammond’s science fiction series Sapphire & Steel, starring David McCallum and Joanna Lumley. David Collings (Doctor Who, Blake’s 7) guest stars.
This series is not yet chronicled in the LogBook. You could join theLogBook team and write this guide or support the webmaster’s efforts to expand the site.
NBC airs the 23rd episode of Buck Rogers In The 25th Century, the first of the show’s second season, and the first to feature new series regulars Thom Christopher as Hawk and Wilfrid Hyde-White as Dr. Goodfellow. BarBara Luna and Sid Haig (Jason Of Star Command) guest star.
The 544th episode of Doctor Who airs on BBC1. This story brings the E-space trilogy to a close and is written by science fiction novelist Stephen Gallagher. Clifford Rose and Kenneth Cope guest star.
This timeline entry leads to an entry covering this entire Doctor Who serial; there are plans to write new episodic entries in the future. You can support this effort!
Order Earl Green’s book VWORP!1 from theLogBook.com Store
The third episode of the TV adaptation of Douglas Adams’ science fiction comedy The Hitchhiker’s Guide To The Galaxy airs on BBC2; Richard Vernon guest stars as Slartibartfast.
ITV airs the 19th episode of P.J. Hammond’s science fiction series Sapphire & Steel, starring David McCallum and Joanna Lumley. David Collings (Doctor Who, Blake’s 7) guest stars.
This series is not yet chronicled in the LogBook. You could join theLogBook team and write this guide or support the webmaster’s efforts to expand the site.
ITV airs the 20th episode of P.J. Hammond’s science fiction series Sapphire & Steel, starring David McCallum and Joanna Lumley. David Collings (Doctor Who, Blake’s 7) guest stars.
This series is not yet chronicled in the LogBook. You could join theLogBook team and write this guide or support the webmaster’s efforts to expand the site.
NBC airs the 24th episode of Buck Rogers In The 25th Century. Mark Lenard (Star Trek’s Sarek) guest stars.
The 545th episode of Doctor Who airs on BBC1. This story brings the E-space trilogy to a close and is written by science fiction novelist Stephen Gallagher. Clifford Rose and Kenneth Cope guest star. This episode is the final appearance of Lalla Ward as Romana. K-9 also permanently leaves the series as of this episode, but due to the character’s popularity, steps are already being taken to create a spinoff for him.
This timeline entry leads to an entry covering this entire Doctor Who serial; there are plans to write new episodic entries in the future. You can support this effort!
Order Earl Green’s book VWORP!1 from theLogBook.com Store
The fourth episode of the TV adaptation of Douglas Adams’ science fiction comedy The Hitchhiker’s Guide To The Galaxy airs on BBC2; Valentine Dyall provides the voice of Deep Thought.
ITV airs the 21st episode of P.J. Hammond’s science fiction series Sapphire & Steel, starring David McCallum and Joanna Lumley.
This series is not yet chronicled in the LogBook. You could join theLogBook team and write this guide or support the webmaster’s efforts to expand the site.
ITV airs the 22nd episode of P.J. Hammond’s science fiction series Sapphire & Steel, starring David McCallum and Joanna Lumley.
This series is not yet chronicled in the LogBook. You could join theLogBook team and write this guide or support the webmaster’s efforts to expand the site.
NBC airs the 25th episode of Buck Rogers In The 25th Century. Vic Perrin (The Outer Limits’ Control Voice) guest stars.
The 546th episode of Doctor Who airs on BBC1. This is the beginning of a trilogy of stories themed around the Doctor’s regeneration and the reintroduction of the Master. Sarah Sutton makes her debut as Nyssa. Anthony Ainley guest stars.
The fifth episode of the TV adaptation of Douglas Adams’ science fiction comedy The Hitchhiker’s Guide To The Galaxy airs on BBC2; Dave Prowse (Star Wars) and Peter Davison (Doctor Who) guest star.
ITV airs the 23rd episode of P.J. Hammond’s science fiction series Sapphire & Steel, starring David McCallum and Joanna Lumley.
This series is not yet chronicled in the LogBook. You could join theLogBook team and write this guide or support the webmaster’s efforts to expand the site.
ITV airs the 24th episode of P.J. Hammond’s science fiction series Sapphire & Steel, starring David McCallum and Joanna Lumley. Again owing to scheduling conflicts with the two increasingly in-demand stars, the series will not resume until later in the year.
This series is not yet chronicled in the LogBook. You could join theLogBook team and write this guide or support the webmaster’s efforts to expand the site.
NBC airs the 26th episode of Buck Rogers In The 25th Century.
The 547th episode of Doctor Who airs on BBC1. This is the beginning of a trilogy of stories themed around the Doctor’s regeneration and the reintroduction of the Master. Sarah Sutton makes her debut as Nyssa. Anthony Ainley guest stars.
This timeline entry leads to an entry covering this entire Doctor Who serial; there are plans to write new episodic entries in the future. You can support this effort!
Order Earl Green’s book VWORP!1 from theLogBook.com Store
The sixth and final episode of the TV adaptation of Douglas Adams’ science fiction comedy The Hitchhiker’s Guide To The Galaxy airs on BBC2. This ends the BBC’s attempt to turn Hitchhiker’s Guide into a TV franchise; after months of butting heads with the producer assigned to the series, Douglas Adams himself pulls the plug.
The 548th episode of Doctor Who airs on BBC1. This is the beginning of a trilogy of stories themed around the Doctor’s regeneration and the reintroduction of the Master. Sarah Sutton makes her debut as Nyssa. Anthony Ainley guest stars.
This timeline entry leads to an entry covering this entire Doctor Who serial; there are plans to write new episodic entries in the future. You can support this effort!
Order Earl Green’s book VWORP!1 from theLogBook.com Store
NBC airs the 27th episode of Buck Rogers In The 25th Century.
George Lucas completes his handwritten first-draft screenplay for the third Star Wars film, titled Revenge Of The Jedi at this early stage. Revisions to the script will continue throughout 1981, with The Empire Strikes Back and Raiders Of The Lost Ark co-writer Lawrence Kasdan once again contributing to the story and dialogue; a revision to the movie’s title will also be made, though merchandising with the early title will already be in circulation by that time.
The 549th episode of Doctor Who airs on BBC1. This is the beginning of a trilogy of stories themed around the Doctor’s regeneration and the reintroduction of the Master. Sarah Sutton makes her debut as Nyssa. Anthony Ainley guest stars.
This timeline entry leads to an entry covering this entire Doctor Who serial; there are plans to write new episodic entries in the future. You can support this effort!
Order Earl Green’s book VWORP!1 from theLogBook.com Store
The 550th episode of Doctor Who airs on BBC1, continuing a trilogy of stories themed around the Doctor’s regeneration and the reintroduction of the Master. Janet Fielding joins the cast as new companion Tegan. Anthony Ainley guest stars as the Master.
NBC airs the 28th episode of Buck Rogers In The 25th Century.
The 551st episode of Doctor Who airs on BBC1, continuing a trilogy of stories themed around the Doctor’s regeneration and the reintroduction of the Master. Janet Fielding joins the cast as new companion Tegan. Anthony Ainley guest stars as the Master.
This timeline entry leads to an entry covering this entire Doctor Who serial; there are plans to write new episodic entries in the future. You can support this effort!
Order Earl Green’s book VWORP!1 from theLogBook.com Store
The Soyuz T-4 mission lifts off from the Soviet Union, carrying a two-man crew to space station Salyut 6. Cosmonauts Vladimir Kovalyonok and Viktor Savinykh remain about the station for 75 days, and are the last long-duration crew to occupy Salyut 6. Since they are still in orbit in April, they become the first Soviet crew to orbit the Earth at the same time as an American manned space vehicle since 1975, though the two never interact with each other at any point. The Soyuz T-4 capsule remains at the station as the escape vehicle until this crew departs in May.