The popularity prompted Star India to relaunch the show on Star One in 2005 and in later seasons, simulcast on it altogether. Originally targeted at the 15–34 years age group, the show found approval from outside that range of viewers. This meant that the talk show was the top Indian English language television show that year. Only Zee Café's syndication of Friends beat Koffee with Karan in ratings in 2005.
The show quickly became popular, becoming the number one show for Star World India in 2005. I decided, might as well get paid for all the talking'. About hosting a television chat show, Johar says, 'I chat all the time, on the phone, at parties. Īccording to the producers, the concept of the show revolves around 'spilling the beans while having a hot cuppa.' They have stated that Johar is 'the brain behind the show' and that he 'sits on everything'. He declined the offer, stating 'I don't mind anchoring a show, but I'd rather it was a chat show.' The idea was pitched to the heads of Star India who, impressed with Johar's hosting skills at the first Zee Cine Awards, ordered the show without a pilot.
The producers were involved with the Star Parivaar Awards in 2004 and approached Karan Johar about hosting the event. Koffee with Karan is produced by Fazila Allana and Kamna Nirula Menezes. Host Karan Johar is credited with naming the show.