Nemesis (S06E19)

After Jodi (Emily Holmes), the wife of a Special Forces soldier, explodes a pipe bomb in one of Lex's secret laboratories, Lionel is severely injured, and Lex is taken hostage by the enraged spouse. Claiming Lex kidnapped her missing husband, Jodi threatens to blow up the entire laboratory with Lex inside it unless he tells her where the soldier is. Clark sets out to rescue Lex but is immediately felled by the Kryptonite lining the earthen walls. Lex and Clark realize that the only way they will make it out alive is by helping each other. (Warner Bros. UK)