Oops! You need to enable JavaScript in your browser to start watching. CITV Thunderbirds Are Go Deep Search Series 2 - Episode 3 - Animated adventures. Alan makes first contact with an alien lifeform when Thunderbird 3 is called out to Jupiter's moon Europa to save a pair of documentarians. Tue Tuesday 1 Dec 6.31pm 30 mins Share this episode: Copied to clipboard Share on Facebook Share on Twitter Copy link to share