Friendship Washed Away in the Riverbed (川床に流れた友情 Kawadoko ni nagareta yūjō) is the 908th episode of the Detective Conan anime.
Kogoro, Ran and Conan arrive in a park in Tokyo where Ran told them to go. Arrived at the place, they discover the park is nice and charming. They also discover a watermill onlooking the river behind the park's restaurant. Even if it isn't used presently, it used to irrigate the nearby rice field and is now used as a natural icehouse where they make ice for the guests. As they are explained details of the park by the clerk, a group of 3 graduates who recognize Kogoro Mouri as the great detective. they then take selfies at the riverside to immortalize the moment. They then planned to organize different activities but the fun is quickly interrupted by a tragic event.
| Murder or Accident?
|| Tokyo Park
|| Yuko Akiba
|| 21 years old
| Cause of death:
|| Maria Suzumoto and Juri Matsui
| From their table, they distinguished her body floating in the river stream and Kogoro swam to get her and the verdict was sure: she was dead.
Will the great detective impress the scholars and find the truth?
 In other languages
|| Tình bạn trôi xuống lòng sông
 See also