Anime News Network is reporting that Tubi TV is streaming the B’t X anime series and the B’t X Neo original video animation sequel. The service is streaming Anime Midstream’s more recent English dub.

B’t X is described as:

When his brother Kotaro is taken by the Machine Empire, whose advanced B’t mechas rule with an iron fist, Teppei sets off on a dangerous rescue mission. Just as all seems lost, he revives the legendary B’t called X.

B’t X Neo is described as:

Teppei continues his fight to save his brother Kotaro Takamiya and the world from the Machine Empire and the B’t Raphael.

Source: ANN