The celebration/party scene in engineering has a double meaning: to inaugurate the slipstream drive and to celebrate this episode, as Voyager's 100th.
Garrett Wang had hopes of this plot being made into a film or at least a two-part serial. Unfortunately, it didn't happen.
This is listed as one of the "Ten Essential Episodes" of the series in the 2008 reference book "Star Trek 101" by Paula M. Block and Terry J. Erdmann.
This episode is one of the few times that the Beta Quadrant is named in dialogue, as the salvage location of the temporal transmitter.
The first time the aft compartment of the Delta Flyer is seen.