It’s been a long four-year journey but Michael and Lincoln’s adventures are sadly (some might say thankfully) finally coming to an explosive conclusion. The first of Prison Break’s final five episodes is broadcast on Sky1 on Tuesday. There’s little point trying to recap the plot as the story-arch on this series went Awol several months ago. However, we can reveal that Michael and Linc’s back-from-the-dead momma (Kathleen Quinlan) will prove to be the main catalyst for the action. According to TVGuide, viewers are promised, not only the usual wild plot u-turns, but also a highly significant death that caused much soul-searching for the suits over at US broadcaster Fox. Here’s the US trailer for the next episode, complete with over-the-top voiceover…