The Inner Light (Star Trek: The Next Generation)
25th episode of the 5th season of Star Trek: The Next Generation
“While just 25 minutes pass for the rest of the crew between Picard being struck unconscious and eventually regaining consciousness on the Enterprise bridge floor, the probe makes Picard experience 40 years of lifetime as Kamin, a humanoid scientist whose planet is threatened by the nova of its sun.”
https://en.wikipedia.org/wiki/The_Inner_Light_(Star_Trek:_The_Next_Generation)?wprov=sfti1#