Flashback
[ Episode Guide ]
Tuvok suddenly begins having strange, disorienting attacks which cause a disturbing childhood memory to resurface. As the trauma begins to degrade his neural system he knows he must take action or he will die. To access and conquer the debilitating memory fragment, he asks Captain Janeway to act as his guide and enter into a mind-meld with him. Amazingly, the mind-meld takes Tuvok and Janeway to the scene of the young Vulcans first Starfleet duty - on the bridge of the U.S.S. Excelsior with Captain Hikaru Sulu in command.