Robot Trains - Season 1 - Eps 22: Duke Speaks His Mind
Kay and his friends realize that Duke has acted strangely because of a virus. To treat Duke, Kay and the gang must log into Duke's system and remove the mutant virus themselves. With the help of Selly, Kay, Alf, Duck and Victor enter Duke's system.
About Robot Trains

Title: Robot Trains
First Air Date: 2015-02-26
Last Air Date: 2019-05-19
Status: Ended
Rating: 5.7/10 (from 3 votes)
Language: KO
Seasons: 2
Total Episodes: 84
Network: Unknown
Genres: Animation, Kids, Action & Adventure, Comedy, Sci-Fi & Fantasy, Family
Production Companies: CJ ENM, Union Investment Partners, Woori Investment Co.
Synopsis
Set in the "Train World" where all citizens are trains. However, among the residents there are special trains that can transform into robots, the Robot Trains! Featuring our 5 train heroes, with special powers: Kay, Alf, Duck, Selly and Victor - and their exciting adventures. Can the Robot Trains save the village from the evil dark forces that be?