She emceed the music show Pop Jam and served as narrator for the asadora and Watashi no Aozora.
Three times (1998, 1999, and 2000) she served as leader of the Red Team on the New Year's Eve spectacular, Kōhaku Uta Gassen.
Junko was the assistant host of Yume Miru Tamago, a series of irregularly scheduled programs.
Beginning in January 2006, she has hosted Kubo Junko no Lion Music Saturday on Nippon Cultural Broadcasting radio.
Additionally, Junko has numerous guest appearances, commercials, and drama guest-starring roles to her credit.