famous scene; memorable scene
Used for a well-known or iconic scene from a movie, play, TV show, or other performance.
この映画の名場面を集めた特別番組が放送された。
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
The fans reminisced about the anime's famous scenes.
I think the final scene of that drama is truly a memorable scene.
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').