Signed, Sealed, Delivered: To the Altar (2018)

The long-awaited wedding of Norman and Rita leads the postal detectives to a letter with clues about a young woman's missing mother.

Director: Kevin Fair

Cast: Eric Mabius, Kristin Booth, Yan-Kay Crystal Lowe, Geoff Gustafson, Gregory Harrison, Keb' Mo', Barry Bostwick, Zak Santiago, Carol Burnett, Jill Morrison, Janet Kidder, Jessica Sipos, Adriana Novikova, Allan Gray, James Rha, Barbara Wallace, Leonica Douglas, Paul-Dean Martin