Back to the Future: Untold Tales and Alternate Timelines 5 was the fifth and final issue of Back to the Future: Untold Tales and Alternate Timelines by IDW Publishing. The story was continued in Back to the Future: Continuum Conundrum. Unlike the previous issues in the series, which contained two stories, the final issue of Back to the Future: Untold Tales and Alternate Timelines contained only one. This single story format was continued in future issues of IDW's Back to the Future comic series. The story contained within was titled Clara's Story. It told the backstory of Clara Clayton.