Good Bye Lenin!(2003)
Videos: Trailers, Teasers, Featurettes
Alex Kerner's mother was in a coma while the Berlin wall fell. When she wakes up he must try to keep her from learning what happened (as she was an avid communist supporter) to avoid shocking her which could lead to another heart attack.
Good Bye Lenin! - watch online: streaming, buy or rent
You can buy "Good Bye Lenin!" on Apple iTunes, Microsoft Store as download or rent it on Apple iTunes, Microsoft Store online.