Complex sentence: Televised producers' auditions for the first episode were held in Ho Chi Minh City, Long An, Can Tho, Buon Ma Thuot, and Danang; for episode 2 were held in Hanoi, Lang Son, Haiphong and Quang Ninh.
Split into simpler sentences: Televised producers' auditions for the first episode were held in Ho Chi Minh City, Long An, Can Tho, Buon Ma Thuot, and Danang. Episode 2 was to feature auditions held in Hanoi, Lang Son, Haiphong and Quang Ninh.