ffmpeg -i The.Show.S03E04.mkv -map 0:0 -map 0:1 -target ntsc-dvd -b 2000K -bt 2000K -ab 224K -threads 0 Episode\ 4.mpg
ffmpeg version N-57646-gf031531 Copyright (c) 2000-2013 the FFmpeg developers
  built on Oct 30 2013 15:05:03 with Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
  configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libaacplus --enable-libass --enable-libcelt --enable-libfaac --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-openssl --enable-libopus --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --prefix=/usr/local
  libavutil      52. 48.100 / 52. 48.100
  libavcodec     55. 39.100 / 55. 39.100
  libavformat    55. 19.104 / 55. 19.104
  libavdevice    55.  5.100 / 55.  5.100
  libavfilter     3. 90.100 /  3. 90.100
  libswscale      2.  5.101 /  2.  5.101
  libswresample   0. 17.104 /  0. 17.104
  libpostproc    52.  3.100 / 52.  3.100
Input #0, matroska,webm, from 'The.Show.S03E04.mkv':
  Metadata:
    creation_time   : 2008-08-26 15:37:12
  Duration: 00:58:37.01, start: 0.000000, bitrate: 1896 kb/s
    Stream #0:0(eng): Video: h264 (High), yuv420p, 708x480, SAR 10:11 DAR 59:44, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    Metadata:
      title           : The Show - S03E04
    Stream #0:1(eng): Audio: ac3, 48000 Hz, 5.1(side), fltp, 384 kb/s (default)
    Metadata:
      title           : English
    Stream #0:2(eng): Subtitle: subrip
    Metadata:
      title           : English
Please use -b:a or -b:v, -b is ambiguous
Output #0, dvd, to 'Episode 4.mpg':
  Metadata:
    encoder         : Lavf55.19.104
    Stream #0:0(eng): Video: mpeg2video, yuv420p, 720x480 [SAR 59:66 DAR 59:44], q=2-31, 2000 kb/s, 90k tbn, 29.97 tbc (default)
    Metadata:
      title           : The Show - S03E04
    Stream #0:1(eng): Audio: ac3, 48000 Hz, 5.1(side), fltp, 448 kb/s (default)
    Metadata:
      title           : English
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> mpeg2video)
  Stream #0:1 -> #0:1 (ac3 -> ac3)
Press [q] to stop, [?] for help
frame=105405 fps=652 q=2.0 Lsize= 1069826kB time=00:58:36.98 bitrate=2491.9kbits/s dup=21081 drop=0
video:845704kB audio:192336kB subtitle:0 global headers:0kB muxing overhead 3.062175%