05:30Herge's The Adventures of TintinSeries 2Episode 2: Prisoners of the SunBBC Radio 4 Extra Duration: 30 minutes Mon 9th Dec 2013, 05:30 on BBC Radio 4 ExtraWith Professor Calculus in grave danger, the boy reporter and dog Snowy lead a rescue. Stars Richard Pearce and Andrew Sachs.GenresDramaAction & AdventureBrandHerge's The Adventures of TintinSeriesHerge's The Adventures of Tintin: Series 2 Source: BBC Online