"One Shall Stand" is the seven part Transformers: Prime story arc that includes "One Shall Fall", the three part episode "One Shall Rise", and the three part episode "Orion Pax". This story arc covers Unicron's return, and Optimus Prime's amnesia after using the Matrix of Leadership to defeat him. A DVD of this story was released on July 31, 2012 by Shout! Factory, cutting out commercial break fade-outs and scene repeats to function as a feature-length film.