Both shows are centered around a family of siblings living together and the struggles they face in their daily lives. Only difference is that in "The Bond" the siblings still have a father(if you can even call him that) alive while "Under One Roof" the oldest sibling is the father figure to his younger siblings.

Both are about Huo Yuanjia a legendary chinese martial artist that made a big impact in China. Both have similar fight scenes like the wrestling/boxing match and vs the Japanese. Both have famous martial artists starring as Huo Yuanjia. Fearless has Jet Li while Heroes has Vincent Zhao.

Both based on a famous song in Japan. Both movies are based on a band that want to sing and their love for music.

Both main characters are out for revenge for their family. Both main characters deceive people. Both dramas have some romance in it.