(Unconfirmed information is highlighted)

• 1988.03   The Journal—CBC TV Los Angeles, CA

  Joni was interviewed by Paul McGrath. Broadcast on March 11.

• 1988.03.17 Interview Session No. Hollywood, CA

  Joni was interviewed by Timothy White for his book Rock Lives.

• 1988.03   MuchWest—Interview/Conversation
  MuchMusic TV Network Vancouver, BC

  Joni in Conversation with Terry David Mulligan.
  Broadcast April 5, 1988.

• 1988.03   Interview Session Los Angeles, CA

  Joni was interviewed by Mikael Nilsson for Swedish Radio P3.

• 1988.03.22 The Hot Stove Club—Maple Leaf Gardens Toronto, ON

  Joni held a press conference promoting her new album
  Chalk Mark In A Rain Storm.

• 1988.03.22 New Music—CITY TV Toronto, ON

  Joni was interviewed by Denise Donlon shortly after the press
  conference at the Hot Stove Club. The interview took place at
  the home of Denise Donlon & (husband) Murray McLaughlin.
  Broadcast on April 21, 1988.

• 1988.03.25 Bessborough Hotel Saskatoon, SK

  A press conference

• 1988.04.01 Prime Time Live—CBC Radio Toronto, ON

  Joni was interviewed by Ralph Benmergui.

• 1988.04.04 Good Morning America—ABC TV Los Angeles, CA

  Joni was interviewed by Hollywood reporter Chantal.

• 1988.04.19 Avsminkat Los Angeles, CA

  Joni was interviewed for a program broadcast in Sweden.

• 1988.05   Interview BBC Radio 1 London, England

  Joni was interviewed by host Johnny Walker.

• 1988.05   Interview - Capitol Radio London, England

  Joni was interviewed by David Jensen. Geffen Records
  issued the interview on a promotional CD entitled
  A Special Conversation For Radio to promote her album
  Chalk Mark In A Rainstorm.

• 1988.05   MTV-Britain London, England

• 1988.05.09 Rapido—BBC 2 TV London, England

  Rapido was a BBC2 television show which ran from 1988 to 1992,
  and was presented by Antoine de Caunes.

• 1988.05.09 Breakfast Time—BBC 2 TV London, England

  Joni was interviewed by Caroline Righton.

• 1988.05.20 Wired—Granada Television London, England

  A music and interview program, hosted by Lenore Pemberton.

• 1988.05.20 Eclection (Art Exhibition)—Parco Gallery Tokyo, Japan

  An exhibition scheduled to coincide with the release of
  Chalk Mark In A Rain Storm. This show was the first, and
  only exhibition, during which Joni actually sold paintings.
  Joni attended the opening reception on May 20th.
  The exhibit was on display until June 8th.

• 1988.05   TopPop Spesial - Joni Mitchell—NRK1 (Norwegian Broadcasting) Oslo, Norway

  Joni was interviewed by Hege Duckert.
  Broadcast on July 19, 1988
  < https://tinyurl.com/smjvjlz >

• 1988.05   På hengende håre—NRK (Norwegian Broadcasting) Oslo, Norway

  Joni was interviewed by Rita Westvik
  Broadcast on June 11.

• 1988.05   Interview Session—Amstel Hotel Amsterdam, The Netherlands

  Joni was interviewed by by Hubert van Hoof for a program
  broadcast on Sept. 4th as Joni Mitchell's All-Time Favorites.

• 1988.05   The Album Show—Radio EON FM Australia

  Joni was interviewed by Billy Pinnell.

• 1988.05   National Album Review Australia

  Joni was interviewed and played one song during
  a syndicated radio broadcast.

• 1988.05.28 Kippevel—VARA TV Amsterdam, The Netherlands

  Joni was interviewed by Jan Douwe Kroeske and
  also performed two songs. Broadcast on May 28.

• 1988.05.30 Sebel Town House Sydney, Australia

  Joni performed a short selection of songs for the
  Assembled journalists during a Press Conference.

• 1988.05.31 Ray Martin Midday Show—9 Network TV Australia

• 1988.06.05 Sunday Program—9 Network TV Australia

• 1988.06.07 Rock Arena Show—ABC TV Sydney, Australia

• 1988.07.07 Top Half—Avalon Studios TV-NZ Wellington, New Zealand

  Joni was interviewed by Dylan Taite.

• 1988.07.09 Vicki Gabereau Show—CBC Radio Toronto, ON

  A radio broadcast featuring an interview with Joni.

• 1988.07.31 Radio With Pictures—Avalon Studios TV-NZ Wellington, New Zealand

  Joni was interviewed by Dick Driver and also
  performed two songs. (Broadcast date)

• 1988.09.04 Hubier On The Air—KRO Radio Amsterdam, The Netherlands

  A music and interview program.
  Joni spoke to Hubert van Hoof and chose 12 songs
  for a program titled Joni Mitchell's All-Time Favorites.

• 1988.10.22 Tenco Award 1988—Ariston Theatre - Rai 1 TV Sanremo, Italy

  "Joni Mitchell - L'impegno - L'amore"
  (i.e. The Commitment - Love)
  
  The Club Tenco presented Joni with the 'Tenco Songwriter Award'
  a recognition of the career of artists who have made significant
  contributions to the world of song.

• 1988.11.28 The Music Never Stopped—KGO-TV San Francisco, CA

  A short documentary look at music in the sixties, by some
  of those who were part of it. The film contains several
  interview segments with Joni Mitchell as well as video
  footage from the 1968 Big Sur Folk Festival.

• 1988.12.09 Universal Amphitheatre Los Angeles, CA

  "A Benefit For Victims of Violent Crime" sponsored by the
  non-profit corporation Helping Innocent People. Organized by
  honorary chairman Larry Carlton, the concert featured Joni
  along with Christopher Cross, David Foster, Michael Franks,
  Stanley Jordan, Lyle Lovett, Michael McDonald, Michelle Pillar,
  Juice Newton and Take Six.