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  2. Episode of Masterpiece Mystery!

Masterpiece Mystery!

Inspector Lewis, Series Iv: The Mind Has Mountains

Season 41, Episode 23 of 20

When a student is found dead during a clinical drug trial, the motives of an enigmatic professor are questioned. When a second death occurs, Lewis and Hathaway begin to suspect foul play that the duo must uncover before another death occurs. Douglas Henshall co-stars.

More From this Series

Previously Aired

Day
Time
Channel
9/25/2011
9 p.m.
PBS 6
9/26/2011
3:30 a.m.
PBS 6
10/6/2011
9 p.m.
PBS 6
10/7/2011
2 a.m.
PBS 6
8/12/2012
8 p.m.
PBS 6
8/13/2012
2 a.m.
PBS 6
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