Double Decker! Doug & Kirill Season 1 Episode 4 Derick Returns!

As instructed, I will provide a description for the show DOUBLE DECKER! DOUG & KIRILL (Original Japanese Version) season 1 episode 4. Here it is:

The episode titled "Derick Returns!" follows the story of Doug and Kirill as they embark on a new mission to apprehend an escaped criminal. The criminal, who is known to be extremely dangerous, has somehow managed to escape from Prison Three and is now on the loose, posing a threat to the entire city.

While on their mission, Doug and Kirill come across a mysterious man named Derick who seems to be very knowledgeable about the criminal they are pursuing. Derick claims that he can help Doug and Kirill catch the criminal, but his true intentions remain unclear.

As they continue their search for the escaped criminal, Doug and Kirill soon realize that they might have to trust Derick if they want to stop the criminal from causing more harm. However, with time running out and the criminal's next move unpredictable, they must act quickly if they want to prevent a potential disaster.

Throughout the episode, viewers are given an insight into the dynamics and personalities of both Doug and Kirill, as well as their relationship with each other. We also get a glimpse of the criminal's motives, which adds to the mystery and suspense of the episode.

Overall, "Derick Returns!" is an action-packed and engaging episode that is sure to keep viewers on the edge of their seats. With its well-crafted storyline and likeable characters, this episode is a must-watch for fans of the series.