Day 13

The September 19th day 13 episode of Bigg Boss Telugu season 4 starts with Nagarjuna saying that Bigg Boss show received an 'explosive beginning' with the highest TRP ratings and lot more votes than the last week. 

Gangavva chats happily with Akhil and Divi. Kalyani gets upset when asked to stay aloof from the kitchen. She pledges not to eat. 

Akhil says Monal that he does not have any issue if she and Abhijeet speak. Gangavva leaves members amazed by imitating Bigg Boss and Avinash. Members do a promotional task, shoot photographs and view them. 

Speaking to Bigg Boss, Gangavva confirms Nag that she is well now and will not leave the house. The host announces that Gangavva is saved for the week. He also advises Gangavva to not get influenced by anybody in the house. 

He lashes out at team leader, Noel and also other housemates for taking the nomination task without any seriousness. Nag slams Abhijeet, Kalyani and others saying that he will not allow them to play safe anymore. 

In the Hero-Zero task, all housemates are asked to name a member who they think is a 'zero' and 'hero'. Majority of them name Amma Rajasekhar as both a zero and hero. He gets hurt and bursts into tears besides requesting the host to send him off. Devi accuses him of making substandard and offensive comedy and being biased. Gangavva asserts that Amma Rajasekhar should stay back. Nag says Rajasekhar that he has left some kind of impression on all housemates. Nagarjuna further adds that not everybody will like him and he must be ok with this. Some of the contestants also name Gangavva as a hero. 

The host announces Karate Kalyani as the next eliminated person. Monal gets emotional. Before leaving, Kalyani justifies her game and wishes good luck to all.