Katarina was the sponsor of and announcer at the Ghostbusters' discussion on ghostbusting at a conference in the Soviet Union. Once they checked in with her, Katarina showed them their rooms, the institute's collection of paranormal artifacts, and a laboratory. She was convinced to help the Ghostbusters after Vladimir Pavel Maximov and Dmitri Smerdyakov blamed them for stealing "The Nameless Book" so that they could summon Yibb-Tstll. After Yibb-Tstll was defeated and Vladimir and Dmitri arrested, she gave a kiss to all of the Ghostbusters, including Slimer.
- Katarina's Patronymic name, "Ivanova," was used again by writer J. Michael Straczynski for his Babylon 5 character, Susan Ivanova
- Marsha Goodman (1990). Episode Call Sheet and SAG Report - "Russian About" (1990).
- Egon Spengler (2009). The Real Ghostbusters - "Russian About" (1990) (DVD ts. 03:06-03:08). Time Life Entertainment. Egon says: "We're supposed to check in with our sponsor Katarina Ivanova Sophia Novachenka."
- Ray Stantz (2009). The Real Ghostbusters - "Russian About" (1990) (DVD ts. 03:09-03:10). Time Life Entertainment. Ray says: "Oh! The tennis player?!"