Title: "Back to the Prophet"

Logline: Joseph Smith is rescued by Doc Brown and brought to the future to save Marty from Biff, but a time-traveling Rick Sanchez and Morty try to interfere with their own mission.

Synopsis: Joseph Smith is imprisoned at the Carthage jail and facing certain death. Just as he is about to be killed, Doc Brown arrives in his DeLorean time machine and pulls Joseph into the future, where he explains the situation to him. Marty McFly is in danger of being killed by Biff Tannen, who has taken control of the timeline.

Joseph is hesitant to get involved in the situation, but Doc convinces him that the fate of the future is at stake. Together, they set out to save Marty and restore the timeline to its rightful course.

However, their mission is complicated by the appearance of Rick Sanchez and Morty, who have their own mission to complete. Rick is in possession of a powerful device that he believes can help them complete their mission, but he is reluctant to share it with Doc and Joseph.

As they navigate through time and space, they encounter several challenges and obstacles, including encounters with historical figures such as Napoleon Bonaparte and Albert Einstein. Along the way, they also learn more about each other's backgrounds and motivations, leading to unexpected alliances and rivalries.

The climax of the film takes place at a critical moment in history, where Marty is in mortal danger and the fate of the future hangs in the balance. Joseph, Doc, Rick, and Morty must work together to save Marty and defeat Biff, while also trying to protect the timeline from further disruption.

In the end, the group succeeds in their mission, but not without enduring significant challenges and losses along the way. The film concludes with Joseph returning to his own time, with a newfound respect for the power of time travel and the importance of protecting the future.

"Back to the Prophet" is an action-packed and humorous time-travel adventure that combines the worlds of "Back to the Future" and "Rick and Morty," while also introducing the historical figure of Joseph Smith to a new generation of viewers.