famous scene; memorable scene
Used for a well-known or iconic scene from a movie, play, TV show, or other performance.
A special program collecting famous scenes from this movie was broadcast.
あのドラマのラストシーンは本当に名場面だと思う。
I think the final scene of that drama is truly a memorable scene.
The fans reminisced about the anime's famous scenes.
Many famous scenes were born from that movie.
The actors recreated that famous scene on stage.
見せ場 is the scene that showcases a performer's or story's highlight, while 名場面 specifically implies the scene has become famous or beloved by audiences.
場面 just means 'a scene' in general, whereas 名場面 specifically means a scene that is famous or memorable.
Compound of 名 (mei, 'famous') and 場面 (bamen, 'scene').