Pole to Pole Miniseries Episode 5 Crossing the Line ( Air Date 1992-11-18 ) Genre Documentary category. Overview "Having struggled through the Sudan, Michael Palin is now faced with the difficulty of getting across Ethiopia, where the armed remnants of the fallen dictator Mengistu's defeated army roam. He makes a dash to Addis Ababa with a military escort. He continues his journey to reach the Kenyan border and travels on to Lerata. He passes Mount Kenya, the significance of which is that now he has completed half of his journey.".