bat

@echo off
set "ffmpeg_bin=C:\STFU\ffmpeg\bin\ffmpeg.exe"
set "out_path=C:\Media\TV shows\The Simpsons (1989)\Season 01\"
cd /D "C:\Media\Movies\The Simpsons Movie (2007)\"

for %%f in (*.mkv) do (
echo %%~f
%ffmpeg_bin% -i "%%~f" -ss 00:00:15 -frames 1 "%out_path%\%%~nf.%%d.jpg"
)