Series: Murdoch Mysteries (also known as The Artful Detective in the US) Season: 12 Original Network: CBC (Canada) Original Run: September 24, 2018 – March 4, 2019 Number of Episodes: 18 Runtime: Approx. 44 minutes per episode HDTV Release: Episodes were broadcast in 1080i (CBC HD) and later made available via torrents, Usenet, and streaming in HDTV-rip formats (typically 720p or 1080p). 2. Broadcast and HDTV Specifications | Attribute | Details | |-----------|---------| | Broadcast resolution | 1080i (CBC’s native HD format) | | Aspect ratio | 16:9 | | Frame rate | 29.97 fps (NTSC-derived) | | Audio | 5.1 Surround (AC-3) | | Captions | Closed Captioned (EIA-608) | | Common scene release groups | ECI, AVS, CTR, DIMENSION (for early seasons; S12 saw groups like TBS, KILLERS) | | Typical HDTV rip size | ~350–500 MB per episode (720p x264) or ~1.2–1.8 GB (1080p) |