The Barbara Walters Summer Special (1976– )
The show is mentioned by name.
Julia Roberts refers to Katharine Hepburn interview
Eddie references the series.
Clips of various interviews
Webwa Walters makes an appearance
In the scene where Babs walks in on a room full of talk show spoofs, a Barbara Walters character asks an Oprah Winfrey character "What kind of a tree would you be?". That question was used rather infamously in one special where she interviewed Katherine Hepburn.