Character mistake: Colonel Breen theorises to Quatermass that the spaceship is an experimental German V-weapon from the second world war: However according to the story, the underground station (Hobbs End) was dug in 1927: The V-weapons first landed in London in 1944, so how was it possible for a V-weapon to land where it did underground, impacted soild in clay right next to a deep level underground railway station seventeen years later without anyone noticing at the time? Breen should realise that his theory makes no sense.Will
Character mistake: At the hospital, Mr Bigger's surname is misspelt as "Biggir" on the name tag on his bed.
Character mistake: When Uncle Jim and Homer are heading up the rim to report Old Timer's possible murder, we see Brighty running along the trail ahead of them and Jim and Homer riding along behind struggling to keep up. Jim and Homer stop briefly, Jim asks Homer for a canteen, then for some unknown reason Jim dismounts and leads his mule in the direction opposite to which they were heading before.