Dead Clade Walking

Summary

Joan discovers an unsolved murder connected to a rare prehistoric fossil when she reviews one of Sherlock's cold cases; Sherlock's responsibilities as a sobriety sponsor cross personal boundaries.

Guest stars

• Stephen Tyrone Williams as Randy
• James Martinez as Diego Salcedo
• Jonno Roberts as Jerome Thomas
• Jane Alexander as C.
• Ashlie Atkinson as Gay
• Ross Degraw as Wolfe
• Jack Dimich as Ivan Kershavin
• Joel Hatch as Andrew Donnelly
• Annika Peterson as Charlotte Klemmer
• Jeremy Rishe as Emerson