Possible Clues:

• In parts, blockbuster keeps me on ground
• Arranged as a series of incidents
• Is act arising in long story happening from time to time
• Serialised blockbuster involving single lawman?
• Occasional copies I'd botched
• Like soap operas, e.g
• Serialized
• Saga about single turf a bit at a time
• Police comeback after record is nothing irregular
• In parts, poem is about one jocular lawgiver