Trap Prison and the Scream of Truth.
Ryu and Ken decide to go to Thailand in the hopes of learning Muay Thai, a fighting style they encountered during their battle with Ashura's forces. Once at the airport in Bangkok, Ryu and Ken go to separate lines to obtain approval to enter Thailand legally. Donu, the Ashura thug who fled in Episode 7 after Ryu and the others thwarted their attempt to murder Dorai, disguises himself, sneaks up on Ryu, and plants heroin in his backpack as a way to get revenge. Ryu doesn't notice this at first, and just as he and Ken go down an escalator, Ryu is caught with heroin in his backpack, and is sent to prison. There, he endures brutal torture from Warden Nuchi, as well as taunting from other prisoners. Ryu eventually fights back against the two prisoners who are taunting him throughout the episode. After that, Sagat, who is "the one to fear" according to the prisoners that taunted Ryu, prepares to battle Ryu. Akuma makes a cameo appearance while waiting for his bags at the airport.