Theatre where the first murder of the episode takes place in episode #504 "Chivalry Is Not Dead…But Someone Is".
A new production of the old play is put on in episode #715 "Psych the Musical".
Mr. Yang has a vision of Mary Lightly in episode #715 "Psych the Musical".
Oliver and Thea attend Jessica Danforth's campaign announcement which is attacked by Lonnie Machin in episode #402 "The Candidate".
Leonard Snart shoots up the concert hall with his cold ray in episode #104 "Going Rogue".
Where Shane and Veronica Bloom argue at a film opening.
From episode #116.
Where the Fringe team arrives at the Other Side in episode #222 "Over There: Part 1" and where Olivia attempts to return to her side in episode #301 "Olivia". This is also where Moreau attacks the philharmonic in the future in episode #322 "The Day We Died". Peter and Lincoln cross to Over There through the theatre in episode #408 "Back to Where You've Never Been".
Edward's flashback to his hunting in the 1920's took place in Vancouver's iconic Orpheum Theatre.