This episode of 'Unshakable Joy' is a daily devotional by John Piper, released on April 8th with the title 'Make Satan Know His Defeat'. It opens with the key verse James 4:7, 'Resist the devil, and he will flee from you'. Piper argues that as Satan becomes more evident in our days, Christ's victory becomes more precious to believers. He states that the New Testament teaches Satan was defeated when Christ died and rose again. Satan is granted a period of limited freedom, but his power against God's people is broken and his destruction is certain. Piper supports this with 1 John 3:8, which says Christ came to destroy the devil's works. He also cites Hebrews 2:14, noting Christ shared in flesh and blood to destroy the devil through death. Colossians 2:15 is referenced to show God disarmed powers and triumphed over them on the cross. Piper emphasizes the decisive blow was struck at Calvary. He mentions Revelation 20:10, which describes Satan being thrown into the lake of fire for eternal torment. The devotional then shifts to the implications for Jesus' followers. Piper quotes Romans 8:1 to say there is no condemnation for those in Christ. He uses Romans 8:33 to assert God justifies the elect against any accusation. Romans 8:38-39 is cited to affirm that nothing can separate believers from God's love in Christ. 1 John 4:4 is referenced with 'greater is he who is in you than he who is in the world'. Revelation 12:11 is quoted about overcoming by the blood of the Lamb and the word of testimony. Piper concludes by reiterating the call to resist the devil, as he will flee, and to live in the victory given, making Satan know his defeat. The episode ends with a promotional note for resources from Ministério Fiel and Desiring God.