Mass Extinctions (1997) Rating: Starring: Mass Extinctions Director: Category: Special Interest Studio: Simitar Subtitles: [None] Length: 94 mins     Life As We Know It will Cease Exist. Welcome To Extinction. Mass extinction's is a wildly intense look at the evolution of our planet, and the horrible future that may never come. Each of the four segments explores catastrophic extinction's that have occurred over the last 250 million years. Watch as the world's leading scientists explain their theories behind these extinction's; beginning with the decimation of dinosaurs and ending with the ultimate fear - the depletion of life as we know it.