Description: Despite the fact that he comes from a long line of disciplined workers, LAW YIU-WAH (Moses Chan) is a teacher of a notorious school. One day, he was urged to resign after being vilified by his students as a peeping Tom.At present, the triads have expanded their drug network at local schools. WAH, who has turned a cop, is told to go undercover at the school where he used to teach.At school, he is impressed by the enthusiasm of a new teacher HO MIU-SUET (Tavia Yeung). He also comes to realize he was too strict with his students in the past. With a determination to boost students’ confidence, SUET invites bowling expert KOO KA-LAM (Linda Chung) to teach bowling at the school.When LAM learns about her triad background, he decides to go after her hoping to learn more about the triads. LAM also finds himself in a contest of wits with Inspector CHING MAN-LIK (Ron Ng), who has been assigned to work as a liaison officer at the school.On one hand, MAN is attracted to SUET but on the other, she only loves WAH. All of a sudden, WAH, SUET, LAM and LIK find themselves involved in a complicated love polygon.

Language: Cantonese
Production company(s): TVB
Country: Hong Kong
Times: 30 Episodes
Release Date: 2011
Cast: Moses Chan, Tavia Yeung, Ron Ng, Linda Chung, Tseung Chi Kwong, Lo Lok Lam, Lee Kwok Lun, Tsang Wai Kuen

• Yes Sir, Sorry Sir – 點解阿Sir係阿Sir
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 30
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 29
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 28
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 27
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 26
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 25
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 24
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 23
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 22
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 21
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 20
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 19
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 18
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 17
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 16
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 15
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 14
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 13
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 12
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 11
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 10
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 09
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 08
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 07
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 06
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 05
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 04
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 03
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 02
• Yes Sir Sorry Sir – 點解阿Sir係阿Sir – Episode 01