A Matter of Perspective

"A Matter of Perspective" is the 14th episode of the third season of the American syndicated science fiction television series Star Trek: The Next Generation, and the 62nd episode of the series overall.
In this episode, Commander Riker is accused of murdering a scientist and faces an extradition hearing aboard the Enterprise where everyone's version of what transpired is re-created in the holodeck.
Plot
With a routine planetary survey ahead, the Federation starship Enterprise drops Commander Riker and Chief Engineer La Forge at the Botanica Four research space station orbiting Tanuga Four to check on the progress of the work of Dr. Nel Apgar, a Tanugan who has been working towards a new promised energy source for the Federation using powerful Krieger waves. When the Enterprise returns, Riker and Apgar have exchanged harsh words, and moments after Riker transports back to the ship, the station explodes, killing Apgar. Tanugan...