Murder by Numbers
Each episode of this true-crime series begins with the grisly discovery of a body and the onset of an intense investigation. When police think they've solved the case, shocking twists sends each investigation into the depths of evil.
Where to Watch Murder by Numbers
Below you'll find every episode from the first season of Murder by Numbers.
To see what is available free to watch, click the 'Episodes on Sources' tab above.
Season 1Investigation Discovery | Rent or Buy
S01 E01Jul 13, 2017
Count the Bodies Police are puzzled by a pair of murders linked by a mysterious note, not realizing the killer has a target in mind.
S01 E02Jul 20, 2017
Dog Days of Murder In Billings, Mont., firefighters respond to a fire at a duplex and find two bound and gagged bodies; the victims' house mate is nowhere to be found, prompting police to question whether they're searching for the killer or another victim.
S01 E03Jul 27, 2017
Blood Mountain A woman is found murdered on the Appalachian Trail and her husband is missing, leaving authorities to wonder if he's the killer or another victim, then more bodies begin to appear.
S01 E04Aug 3, 2017
Murder Calling Firefighters find the bullet-ridden bodies of Robert and Dorothy Pape while responding to a call about smoke billowing from a garage, in which they find a truck on fire; later, police realize the smoldering truck does not belong to the homeowners.
S01 E05Aug 10, 2017
Grave Secrets When a woman is found brutally murdered in her home, all signs point to a local troublemaker, then more bodies start piling up, making police realize they may be dealing with a serial killer, who is preying on the town's most vulnerable citizens.