Smallville
Mercy
Season 5, Episode 19 · Aired 2006-04-20
Synopsis
Lionel Luthor finds himself the victim of a mysterious tormentor who uses a series of life-or-death riddles and puzzles that eventually pit Lionel against Martha Kent.
In the series
This episode is part of Smallville (2001–2011) on WB/CW.
No flights, no tights — until the cape finally arrives.
Key cast
- Tom Welling as Clark Kent
- Michael Rosenbaum as Lex Luthor
- Kristin Kreuk as Lana Lang
- Allison Mack as Chloe Sullivan
- Erica Durance as Lois Lane
- John Glover as Lionel Luthor