"Pet Adoption Week" is a special week devoted to encouraging viewers to adopt a pet, something former host Bob Barker started after the death of his wife in 1981. This special week of shows aired the weeks of December 9-12, 2013 (#653xK, Season 42), December 7-11, 2015 (731xK, Season 44) and January 30-February 3, 2017 (#779xK, Season 45) and occurred during Act 3 before the calldown of the day's sixth contestant.