211227 [Xdinary Heroes : Xtra Files] Ep.5 出道 Showcase 幕後花絮
https://youtu.be/NtKXmwwihcc
https://www.bilibili.com/video/BV1ND4y1w7Fk
211230 [Xdinary Heroes : Xtra Files] Ep.6 音放幕後花絮 -1-
https://youtu.be/RadOVsstKiE
https://www.bilibili.com/video/BV1oi4y1X7kK
220103 [Xdinary Heroes : Xtra Files] Ep.7 音放幕後花絮 -2-
https://youtu.be/SxGHooD3-NI
https://www.bilibili.com/video/BV1KZ4y1S7kP
220106 [Xdinary Heroes : Xtra Files] Ep.8 it's Live 幕後花絮
https://youtu.be/Pt3EVvTSflg
https://www.bilibili.com/video/BV1DY41187F2
220110 [Xdinary Heroes : Xtra Files] Ep.9 1st Look 幕後花絮
https://youtu.be/rUQDjLXiyCU
https://www.bilibili.com/video/BV1vZ4y1S7jr
220113 [Xdinary Heroes : Xtra Files] Ep.10 Idol vs Idol 幕後花絮
https://youtu.be/KaV7n8lhpjc
https://www.bilibili.com/video/BV1RF411v7Nq