After "The Menagerie" he was promoted to Fleet Captain. He was injured while saving cadets from a baffle plate rupture onboard a J-Class trading vessel. the delta ray radiation from the rupture left him paralyzed, mute, badly scarred, and dependent on a brainwave-operated wheelchair.
Spock, who had served with Pike for "eleven years, four months and five days", makes clandestine arrangements to take Pike back to Talos IV, despite travel to Talos IV being the only criminal offense still punishable by death in Starfleet. Spock is court-martialed, with evidence during the procedure including footage from "The Cage". At the two-part episode's conclusion, Pike is reunited with Vina and given the illusion of perfect health.