If current server doesn't work please try other servers below.
Season 1 - Jan. 18, 2015
Season 2 - Jul. 11, 2016
Season 3 - Jul. 15, 2017
Season 4 - Mar. 10, 2019

Star vs. the Forces of Evil Season 2 Episode 5
HD
Overview:
When Marco teaches Star how to ride a bike but forgets to tell her about brakes, he teams up with Oskar and Glossaryck to save her.