If you are watching the series focused specifically on Karna, Episode 140 covers the lead-up to the infamous game of dice.
Iravan (son of Arjuna) is chosen as the mandatory war sacrifice to ensure victory. His final wish is to marry. Mahabharat - Episode - (140).mp4
Lord Krishna meets with Karna. Despite Karna's past actions, Krishna offers him forgiveness and encourages him to find his path, emphasizing that it is never too late for redemption. If you are watching the series focused specifically
In some regional broadcasts or metadata listings, Episode 140 covers events occurring right at the start of the Kurukshetra War. The Sacrifice of Iravan Key Plot Points: Lord Krishna meets with Karna
After the sacrifice, the 10th day of the battle commences. Bheeshma meets with Ganga, and the Pandava army adopts the "Deva" formation against the Kauravas' "Asura" formation. Option 3: Suryaputra Karn (2015 TV Series - Sony TV)