: Michael and Jim visit a client whose lobby features a large koi pond. On the way out, Michael falls in and returns to the office soaking wet.

: Dunder Mifflin is charged $300 for a koi fish Michael accidentally killed by stepping on its head during the fall. Other "Pieces" in "Koi Pond" If you are referring to a "piece" of a different nature:

: In the original cold open (now widely edited out), Michael wears a "Dick in a Box" costume while scaring children in a haunted warehouse.

During filming, Steve Carell initially struggled with the scene because he found it unrealistic that someone could be so unaware as to walk straight into a pond. Executive producer Paul Lieberstein then shared a "piece of truth": his brother, (who co-wrote the episode), had actually fallen into a koi pond in real life. This anecdote convinced Carell the scene was "painfully possible," allowing him to lean into the humiliation and nail the performance. Context of the Episode Official Title : " Koi Pond " (Season 6, Episode 8).