KBS2 released another exclusive Police University behind-the-scenes video from various clips in episodes 7 to 12 on September 21. The BTS video featured the quirky cast and production crew of the drama, as well as Cha Tae Hyun, B1A4 Jinyoung, Krystal, and the rest of the cast prepared before and during filming.

Police University Behind-the-Scenes: Jinyoung, Krystal, Yoo Youngjae, and More Share How They Prepare for Filming

B1A4 Jinyoung, Krystal, Yoo Youngjae, and Lee Dal gave show-stopping performances in the previous episodes of KBS2 high-rating romantic-comedy Kdrama Police University.

On September 21, through an exclusive sneak peek, the actors shared how they prepared themselves before and during filming the drama.

First, Jinyoung, Krystal, and Lee Dal work to film a scene together. On the other hand, Youngjae, who is currently not in the scene, wanders around the filming set in his casual clothes with a drink in hand and jokingly says, "Let me join you!"

After a while, Jinyoung, Krystal, and Lee Dal shared their own routine on how they prepare themselves as actors. Sweet & Sour actress Krystal reveals that she crosses out her script after completing filming each scene, to which Lee Dal agrees.

Opposite Jinyoung who shakes his head and says, "I don't do that, I just keep it all in my heart."

However, Krystal counters that her habit allows her to control her tasks, "There's a sense of satisfaction whenever I look at a page and see that I have accomplished almost everything."

Despite their different routines in preparing themselves, the two actors show their dedication as actors.

In the next scene, Jinyoung practices his line and how he delivers it through trying out multiple tones, while across from him is Krystal who is trying to find the perfect posture and way to hold her hat.

Meanwhile, seasoned actor Cha Tae Hyun also gives a glimpse of his habits in acting. The veteran actor particularly pays attention to the details of his character, even in how he lies down on the sofa.

IN CASE YOU MISSED IT: 'Police University' Episode 12: Cha Tae Hyun Gets Involved in Unexpected Accident, Krystal Consoles Jinyoung

This extra effort amuses his juniors, who are all watching him from the other side of the room.

In the following scene, Cha Tae Hyun, who plays the detective-turned professor, lies on the bed and acts to be unconscious, which he does effortlessly despite the commotion in the set.

Meanwhile, danger visits the actor in the form of the criminal who attempts to inject a poison into his IV bag, but is suddenly halted by Krystal.

In the newly unveiled behind-the-scenes making video, the Police University production crew showed how they internalize and prepare their performances as well as quirks of the actors, raising expectations and respect for their craft.

Police University Episode 13 Release Date and Where to Watch

Police University Episode 13 and Episode 14, set to air on September 20 and 21, respectively, were postponed due to the Chuseok.

The drama is down to its last four episodes, and episodes 13 and 14 are now scheduled to air on Monday and Tuesday, September 27 and 28 at 9:30 p.m. KST on KBS2.

Police University is available for streaming worldwide on Viu.

READ MORE: 'Police University' Lists Down Observation Points to Watch Out For in its Last Six Episodes

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Written by Elijah Mully.