‘Agatha Christie’s Poirot’ bows out with class in Season 13 (2013)

Sleuthing Sunday (TV review): Two strong episodes are joined by three that require creative re-imaginings by the writers.

‘Agatha Christie’s Poirot’ gets dark for Season 12 (2009-10)

Sleuthing Sunday (TV review): Justice is not so cut-and-dried for Poirot as he tackles his most famous case and three other compelling ones.

Sleuthing Sunday (TV review): Despite some bizarre scripting choices, the series’ production values have never been higher.

Sleuthing Sunday (TV review): Rewriting of Christie’s words helps one story and hurts another in this season when Ariadne Oliver makes her debut.

Sleuthing Sunday (TV review): The “dark years” – not necessarily in a bad way – start with four tragic episodes about unrequited love.