Arnold Schwarzenegger is feeling the love. The 75-year-old celebrated screen legend got some support from his son, Joseph Baena, at the premiere of his new action comedy series, .Arnold walked the red carpet at the special screening at The Grove in Hollywood on Monday, and spoke with ET's Kevin Frazier about seeing his 25-year-old son coming out to celebrate his famous dad's first-ever TV series.«Well, I'm glad that he's here today, watching ,» Arnold shared with a big smile.