Disc.Science Mega Ship. Richard joins the crew of one of the biggest moving objects on earth, the Marie Maersk container ship, on her continuous 28,000-mile voyage from Asia to Europe. S1, Ep4 2026-04-02 America's Buried Massacre. Rob Nelson hunts for a mass grave that could expose a dark secret. Plus, a giant lake is mysteriously disappearing and Rob set off to find out why. S1, Ep4 2026-04-02 Rocky Mountain Monsters. Rob examines bizarre markings that suggest a violent clash between prehistoric beasts. In California, he explores if a strange lake is a home to alien life. S1, Ep5 2026-04-02 Life & Death On The Red Planet. Once there was life on Mars - but scientists believe a series of devastating mass extinctions transformed a watery planet into a desert. S5, Ep4 2026-04-02 Stars That Kill. Countdown of NASAs top six the deadliest stars - 'vampire' stars that drain their neighbours, supernovas and white dwarfs that destroy planets. S5, Ep5 2026-04-02 Secret History Of Pluto. Despite Pluto's appearance as a dark and frozen world, scientists are investigating whether there might be warm liquid water beneath the surface. S5, Ep6 2026-04-03