These userscripts will add search links for OnlineTVRecorder files to the air dates list of all series and episodes on Fernsehserien.de.
No need to search seperate for an episode anymore.
OtrKeyFinder @ Fernsehserien: userscripts.org, greasyfork.org
OtrDatenkeller @ Fernsehserien: userscripts.org, greasyfork.org
To use these userscripts You need:
Chrome and Tampermonkey or
Firefox and Greasemonkey
Both scripts can be installed at the same time without interferences.
Update 2014.07.17:
Userscripts seems to be down. Now the scripts are additionally hosted at https://greasyfork.org/
https://greasyfork.org/de/scripts/3369-otrkeyfinder-fernsehserien-de