Wild Kratts, Season 3, Episode 1, Hermit Crab Shell Exchange
directed by Martin Kratt, 1965-; produced by Cheryl Knapp, fl. 1991; performed by Martin Kratt, 1965- and Chris Kratt, 1969-, in Wild Kratts, Season 3, Episode 1 (Arlington, VA: Public Broadcasting Service, 2014), 27 mins