帰ってきたの

came back

→ 帰る
phrase Uncommon #9,671
came back The sentence-ending の often makes this a casual question, such as “Did [someone] come back?”
JA: 彼はもう帰ってきたの?
EN: Has he come back yet?

みんな、何時に帰ってきたの?

What time did everyone get back?

もうお父さんは帰ってきたの?

Is Dad home already?

トムはいつオーストラリアに帰ってきたの?

When did Tom return to Australia?

何しに帰ってきたの

What did you come back for?

— マルホランド・ドライブ (2001)

何であの子は早く帰ってきたの?

Why did that kid come home so early?

帰ってきたの?

Are you back?

— ROMA/ローマ (2018)