One notable episode, "The Green-Eyed Monster" (Episode 5), exemplifies the season's blend of mystery, humor, and character development. In this episode, Murdoch investigates a murder at a theatre, which leads him to explore the world of Toronto's theatrical community. The episode showcases the talents of the cast, particularly Shanice Banton as the theatre's ingenue, and features a clever plot twist that keeps viewers engaged.

The cases that Murdoch investigates in Season 5 are diverse and engaging, ranging from murder and theft to kidnapping and blackmail. The writers skillfully weave historical events and figures into the narrative, adding depth and context to the storylines. The show's attention to period detail is meticulous, transporting viewers to a bygone era of horse-drawn carriages, gas lamps, and social change.

Season 5 also introduces new characters and develops existing ones, expanding the show's universe. The enigmatic Dr. Julia McGill (Daphne Ashbrook), a spiritualist and Murdoch's occasional collaborator, adds an interesting dynamic to the series. Her appearances raise questions about the nature of science and spirituality, reflecting the tensions between reason and superstition during the period.