We don't have a biography for Grandma Tracy yet. Hang in there, or go ahead and contribute one.
Appearances
Thunderbirds Are Go
Main cast, played by Sandra Dickinson
- Episode 1x01: Ring of Fire (Part 1) (Apr 4, 2015)
- Episode 1x02: Ring of Fire (Part 2) (Apr 4, 2015)
- Episode 1x04: Crosscut (Apr 18, 2015)
- Episode 1x06: Unplugged (May 2, 2015)
- Episode 1x07: Runaway (May 9, 2015)
- Episode 1x08: EOS (May 16, 2015)