Installation:

sudo gem install awesome_print nokogiri patron
sudo cp craw.rb /usr/bin/craw
sudo chmod 755 /usr/bin/craw

Usage:

cd /path/to/your/downloaded/series
craw

The directory must contain standard formatted list of .mkv files. For example:

alphas.s01e09.720p.hdtv.x264-orenji.mkv
Breaking.Bad.S04E09.720p.HDTV.x264-IMMERSE.mkv
Entourage.S08E08.720p.HDTV.X264-DIMENSION.mkv
True.Blood.S04E12.720p.HDTV.X264-DIMENSION.mkv
Warehouse.13.S03E09.720p.HDTV.X264-DIMENSION.mkv
Weeds.S07E11.720p.HDTV.X264-DIMENSION.mkv

The output will be something like:

alphas.s01e09.720p.hdtv.x264-orenji.srt
Breaking.Bad.S04E09.720p.HDTV.x264-IMMERSE.srt
Entourage.S08E08.720p.HDTV.X264-DIMENSION.srt
True.Blood.S04E12.720p.HDTV.X264-DIMENSION.srt
Warehouse.13.S03E09.720p.HDTV.X264-DIMENSION.srt
Weeds.S07E11.720p.HDTV.X264-DIMENSION.srt

To www.addic7ed.com will be 2*n http requests made: n to get pages of the episodes and n to get actual subtitles (where n is a count of mkv files in the directory).