The 100 5×03 “Sleeping Giants” Season 5 Episode 3 Inside – HOME -Bellamy (Bob Morley) leads the charge investigating a potential way home. Meanwhile, Clarke (Eliza Taylor) and Madi (guest star Lola Flanery “Home Again” “Shadow Hunters” “The Mortal Instruments”) deal with the new, uncertain threat to their home. Paige Turco, Henry Ian Cusick, Marie Avgeropoulos, Lindsey Morgan, Richard Harmon, Chris Larkin, and Tasya Teles also star. Tim Scanlan directed the episode witten by Aaron Ginsburg and Wade McIntyre. (#503) Original airdate 5/8/2018.