Logline
An accident with an experimental quantum probability field causes everyone on the USS Enterprise to break uncontrollably into song, but the real danger is that the field is expanding and beginning to impact other ships—allies and enemies alike.
Written by Dana Horgan & Bill Wolkoff
Directed by Dermott Downs
Yeah, they used the songs well to pack huge amounts of character work into one episode for most of the cast. Clever move in a ten episode a year TV landscape.