Gibson has had his share of celebrity scandals, including a run-in with police when he was arrested for driving under the influence in 2006.
In the season finale, Tamra had a run-in with one of Simon's biggest supporters, former cast member Jeanna Keough.
Weir led the Atlantis expedition capably until a run-in with Human Form replicators cost her, her life.
Gene has a run-in with some unusual fans when his car breaks down in the desert.
Grylls' run-in with wild horses was staged.
He looked as if he.d survived a run-in with a blender.