The Democratic presidential candidate will discuss current issues such as his plan to make public colleges and universities tuition free, climate change and universal health care.
The doors open at 5 p.m. and the rally starts at 7 p.m. You must have a ticket to attend. The Wiltern is located at 3790 Wilshire Blvd.
On Wednesday afternoon, Hillary Clinton visited Stanford University. She won Arizona's primary Tuesday, but Sanders came away with wins in the Idaho and Utah caucuses.
Sanders was spotted Tuesday wandering Hollywood Boulevard before he began taping his appearance on the "Jimmy Kimmel Live!" show.
Accompanied by an entourage of Secret Service agents, he shook dozens of hands and stopped to take selfies with his supporters.