AP in season finale of Star Trek: Picard 2 Months ago
In the movie Star Trek: Nemesis Data (who was an android) died saving the enterprise. In the sequel series. We learn Data's subconscious still exists in memory files. In the season finale in a simulation he asks Captain Picard to erase the file so he can essentially die.
At the end of the episode Data prepares for it. As they removie the file Data (who looked unaged) begins to age rapidly before disappearing as he dies