Mark looks at where the line should be drawn between punishment and rehabilitation in prison. We talk to the director of a charity which helps ex-offenders. Also hear from the father of a man who has been left with permanent brain damage after he was attacked during a night out in Trowbridge.
We find out if imaginary holly leaves improve your posture when we take you back in time to a Victorian school near Chippenham.
And we're off to Hullavington to see the bike which looks like a cow. It's going to be used for something very important.
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