In no particular order, here are a few:
Disciplinary Hearing in Scent of a Woman;
Baptismal Murders in Godfather;
Fredo and Michael Confrontation in Godfather Part 2;
Batts and Tommy Confrontation in Goodfellas;
Do I amuse you confrontation between Tommy and Henry in Goodfellas;
Final battle in Platoon;
Nicholson's You can't handle the truth in A Few Good Men;
Vincent Gambini's Cross-examinations in My Cousin Vinny;
Dropped cigarette in car in Planes, Trains, and Automobiles;
TurboLax spiked coffee / toilet in Dumb and Dumber;
Johnny Cash Prison concert in Walk the Line;
Disciplinary Hearing in Scent of a Woman;
Baptismal Murders in Godfather;
Fredo and Michael Confrontation in Godfather Part 2;
Batts and Tommy Confrontation in Goodfellas;
Do I amuse you confrontation between Tommy and Henry in Goodfellas;
Final battle in Platoon;
Nicholson's You can't handle the truth in A Few Good Men;
Vincent Gambini's Cross-examinations in My Cousin Vinny;
Dropped cigarette in car in Planes, Trains, and Automobiles;
TurboLax spiked coffee / toilet in Dumb and Dumber;
Johnny Cash Prison concert in Walk the Line;