a macOS script that removes .ts files older than 7 days from the "Plex Media" folder on the user Teddy's desktop and the /Users/Teddy/Movies folder, you can use a bash script.

remove_old_plex_files.sh

#!/bin/bash

# Set directories
plex_media_folder="/Users/Teddy/Desktop/Plex Media"
movies_folder="/Users/Teddy/Movies"

# Find and remove .ts files older than 7 days
find "${plex_media_folder}" -type f -name "*.ts" -mtime +7 -exec rm {} \;
find "${movies_folder}" -type f -name "*.ts" -mtime +7 -exec rm {} \;

echo "Old Plex media files removed successfully."

# This empty's the trash can
osascript -e 'tell application "Finder" to empty the trash'