Who Is That Guy? 1 Season 5 Episode

Episode #1

Da Da Meets Zero Nine

Episode #2

Da Da and Wang Joon Break Up

Episode #3

Don’t Fall in Love with Him

Episode #4

Love Doesn’t Change

Episode #5

Who Is That Guy?

Episode #6

He's My Boyfriend

Episode #7

Wang Joon Gets Jealous

Episode #8

Zero Nine Leaves Da Da

Episode #9

The Trial Period Is Over

Episode #10

Wang Joon’s Secret

Episode #11

Wang Joon Wants Her Back

Episode #12

Where Is My Toy?

Episode #13

Zero Nine Becomes Wang Joon’s Manager

Episode #14

I Want to Be Loved

Episode #15

We Came to Take Zero Nine

Episode #16

The Flower Box

Episode #17

The Culprit Behind the Flower Box

Episode #18

He Has Feelings Now

Episode #19

The Rightful Owner

Episode #20

Please Don’t Go

Episode #21

I’ll Buy Him

Episode #22

Purchase Zero Nine

Episode #23

Da Da Leaves the Team

Episode #24

What Are You?

Episode #25

Wang Joon’s Scandal

Episode #26

Diana’s Scheme

Episode #27

Zero Ten Goes After Da Da

Episode #28

Wang Joon’s Press Conference

Episode #29

Young Gu’s Error

Episode #30

Young Gu Is a Robot

Episode #31

Can't We Go Back to How We Were?

Episode #32

I Hope You Make Da Da Happy

Episode #33

The Meltdown

Episode #34

The Heart-Cooler

Episode #35

I Want to Live

Episode #36

I Want to Remember Everything

Episode #37

Young Gu’s Decision

Episode #38

Da Da Accepted Me For Who I Am

Episode #39

Goodbye My Girlfriend

Episode #40

Thank You, Young Gu