Oops! You need to enable JavaScript in your browser to start watching. CITV Thunderbirds Are Go Chain of Command Series 1 - Episode 23 - Children's adventure series. Colonel Martin Janus takes over the GDF, imposing a strict set of restrictions on International Rescue - but is he all he seems? Wed Wednesday 25 Mar 2020 30 mins Share this episode: Copied to clipboard Share on Facebook Share on Twitter Copy link to share