During the conversation in which McPike recruited Santana for the OCB (Season 4 Episode 4) McPike told Santana that he had never met Lifeguard. That could not have been true because in an episode of the Lynchboro/Seattle arc (Season 3 Episode 21) Lifeguard traveled to Seattle and worked face to face with McPike on the Terranova disappearance.
During the conversation in which McPike recruited Santana for the OCB (Season 4 Episode 4) McPike told Santana that he had never met Lifeguard. However, in "Call It Casaba" (Season 2 Episode 20), Vinnie, Frank and Lifeguard go on a fishing trip to Lifeguard's mountain cabin.