The episode picks up immediately after Clark returns from the Bizarro World, discovering he was gone for rather than the single day he experienced.
In a desperate move to lure Superman out, Jon-El kidnaps Lana Lang-Cushing . When Clark arrives to rescue her, he is ambushed and stabbed with X-Kryptonite shards , leaving him incapacitated and forcing a horrified Lana to perform emergency "surgery" to save his life. The Big Reveal: Clark and Lana superman & lois s02e11 h255