You are going to Watch Thunderbirds Are Go Episode 25 online free episodes with HQ / high quality. Stream cartoons Thunderbirds Are Go Episode 25 Online Undercover. An undercover operation involving Lady Penelope and a Parker to recover a stolen Repulser Magnetic Array for the Global Defence Force gets blown prematurely. Parker is taken prisoner by Banino using the power of the Repulser and he takes a stolen GDF flyer with Kayo, who was secretly acting as back-up, in pursuit in Thunderbird Shadow. The flyer crash lands on a factory roof and International Rescue intervene with Scott in Thunderbird 1 rescuing one of the factory workers and Lady Penelope saving Parker. Kayo confronts Banino to find he knows her secret; she lets him escape knowing she will have to reveal the truth of her past.