After being invited by King Drupada, the Pandavas arrived at King Drupada’s palace along with their mother, Kunti, and Draupadi.. They were treated with great honour.
King Drupada observed the disguised Brahmanas, their appearance, confidence, discipline, and warrior-like qualities. Slowly, he became more and more convinced that they were the Pandavas, the princes of Hastinapur.
King Drupada asked them who they truly were and whether they were Brahmanas or Kshatriyas. Yudhishthira answered truthfully that they were the sons of Pandu and had survived the Lakshagriha fire.
Hearing the revelation, Drupada was overjoyed and the entire Kingdom of Panchala rejoiced since the Pandavas who were believed to be dead after the Lakshagriha fire were alive.
King Drupada began preparing for the marriage of his daughter, Draupadi, to Arjuna and that’s when Yudhishthira revealed that Draupadi would become the wife of all five Pandavas.