2:37   SoFaygo - Knock Knock (Official Music Video) 3:24   Knock Knock Knock! Who’s There (Safety tips) | D Billions Kids Songs 5:00   Knock Knock, Trick Or Treat? | Halloween Song | Super Simple Songs 3:13   Knock Knock (2015) - Slow Jam DJ Scene | Movieclips 9:20   Knock Knock Knock! Who’s There (Safety tips) + MORE D Billions Kids Songs 2:23   Knock Knock - Trailer 4:55   Knock Knock, Trick Or Treat? | Halloween Kids Song | Noodle & Pals 3:33   Knock, Knock, Who’s There? | EP42 | Bebefinn Songs for Kids | Nursery Rhymes & Kids Songs 3:00   Tion Wayne x M24 - Knock Knock (Official Video) 3:24   Knock Knock Knock! Who’s There? Stay Safe! | D Billions Kids Songs 4:01   TWICE \"KNOCK KNOCK\" M/V 2:32   Bob Dylan - Knockin' On Heaven's Door (Official Audio) 4:59   Knock Knock! Who’s There? | Funny Zombie Family Dance | Comy Zomy Kids Songs 3:45   Who's At the Door? | Don't Open The Door To Strangers | Kids Songs & Nursery Rhymes by Little Angel 3:28   KNOCK KNOCK WHO CARES? (Jax's Song) Feat. Michael Kovach from The Amazing Digital Circus 4:03   Angerfist - Knock Knock 6:52   Eminem - Knock Knock (Nobody Music Video) 3:40   Knock, Knock, Trick Or Treat | Songs from Caitie's Classroom | Halloween Fun for Kids 2:38   SoFaygo \"Knock Knock\" (Live Performance) | Open Mic