S03E23 — Bionic House Party

Donald is in critical condition after the battle with Krane and his soldiers; Leo visits him in the hospital and in an attempt to save him, he risks his life to perform a dangerous bionic process, accelerating his aging process, thus turning him into an old man. Meanwhile, after being deactivated from the Triton App, Krane’s former bionic soldiers have nowhere to go and follow Adam home. The Lab Rats try to protect them because they aren't evil anymore. However, the president doesn't get this and tries to have them arrested, but changes his mind when the soldiers use their powers to heal and save Leo who almost died of old age. Right when they are going to be taken into custody, a newly healed Donald strikes up a deal with the president to build an academy for the soldiers.