Fairy Tail Episode 137: Defying Calculation
Episode 137 of 175 of Fairy Tail, aired June 29, 2012, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Pantherlily battles and defeats Samuel as Gajeel's team retrieves the clock part from an underground chamber. Meanwhile, the Strauss siblings find another clock part and encounter Mary Hughes, while Byro appears before Natsu's team with the clock hand in his possession.