Dig
Walker (Jared Padalecki) and Micki (Lindsey Morgan) investigate a bomb threat at the school that targeted Liam (Keegan Allen) and Stan (guest star Jeffrey Nordling). Abeline (Molly Hagan) and Bonham (Mitch Pileggi) plan a vow renewal, and Trey's (Jeff Pierre) mother (guest star Schelle Purcell) comes for a visit.