All Knock-Knock Videos by Fourth Echelon Reacts
| Published | Video Title | Duration | Views | Category | Game |
|---|---|---|---|---|---|
| 2020-05-14 | [TWICE - Knock Knock] Comeback Stage Reaction! | 3:45 | 15 | Knock-Knock | |
| 2020-05-13 | TWICE "KNOCK KNOCK" MV REACTION! | 4:17 | 31 | Knock-Knock | |
| 2020-04-21 | TWICE(트와이스) - Intro + Signal + Heart Shaker + 4 Minutes + Greedy + Knock Knock + Likey Reaction! | 22:05 | 45 | Knock-Knock | |
| 2020-04-19 | TWICE(트와이스) - KNOCK KNOCK + LIKEY @ Melon Music Awards 2017 Reaction! | 9:49 | 40 | Knock-Knock |