Mahabharat (2013)

S19E8 Karna goes against the Pandavas

Kunti expresses her regrets to Karna and pleads with him to join the Pandavas, but he insists he cannot betray Duryodhan. Karna assures Kunti that he will spare all her sons except Arjun. After hearing about Duryodhan's choice, Yudhishthir directs Arjun and Bheem to mobilize their forces in preparation for what lies ahead.