何をするの

what are you going to do?

→ 何
phrase Rare #33,217
what are you going to do? A casual question; the exact time can depend on context. The の adds a conversational, explanatory tone.
JA: 週末は何をするの?
EN: What are you going to do this weekend?

何をするの?

What are you going to do?

— コーラス (2004)

全滅って何をするの?

What do you do when your whole party gets wiped out?

— 風の谷のナウシカ (1984)

何をするの

What are you going to do?

— es[エス] (2001)

明日は何をするの?

What are you going to do tomorrow?

何をするの。

What are you going to do?

何をするの?

What are you going to do?

— アイム・スティル・ヒア (2024)