Video commercials

Sierra Video Catalogue 1988
Al Lowe German interview
Sierra Video Catalogue 1989
Sierra 15th anniversary: Roberta Williams on her inspiration
Sierra 15th anniversary: product line-up
Current Inside Copy: Space Quest
Al Lowe introduction
Sierra 15th anniversary: Ken and Roberta on interactive entertainment
Sierra 15th anniversary: Technology and innovation
Sierra 15th Anniversary: The fun has just begun!
Sierra 15th anniversary: How it started
Sierra 15th Anniversary: Roberta Williams about herself
The Police Quest series
Havas Interactive product line-up
Sierra/Vivendi product line-up
Sierra: All Play, No Work!