 Jihun was the only Tempest member to take part in the debut episode on December 24.After making a guest appearance on an early episode, Doyoon, with Seungcheol, joined the lineup of possible Seventeen members when the second season of 17tv began in March 2013.He stayed on the show and took part in all of the activities of Seventeen, including multiple "shows" or concerts at the end of each season.