Horizon

Season 47 Episode 6: How Long is a Piece of String?

Alan Davies attempts to answer the proverbial question: how long is a piece of string? But what appears to be a simple task soon turns into a mind-bending voyage of discovery where nothing is as it seems.

Genre:

Documentary

Seasons:

62

Episodes:

1174

Cast:

Quality:

HD

Duration:

60 min

First Air:

1964

Rating:

7.5