4/6 Tinned food lets man live on Mars, until the can openers fail.
BBC Radio 4 Extra
Elstead designs a sphere capable of exploring the seabed for the first time.
2/5 Number 6 undergoes interrogation. Kate seems to be falling for him - but is she for real?
In 1979, a team of scientists begin to investigate some strange phenomena.
Deemed a security threat, an employee is swiftly 'removed' in an unusual way.
Zoe once more finds herself in danger of disappearing but Paul will not let her go.
BBC Radio 4
Anna Massey reads the classic short story of a family with a tragic secret.
A young boy causes concern when he develops an imaginary friend.
4/4 Deliciously noir tale of an immortal whose lover is in mortal danger.
6/6 The crew battle to escape from the aliens, who are trying to target Chipper.