A cult classic Christopher Nolan thriller praised as his finest achievement is now available to stream for free .

The acclaimed director's Memento has just arrived on Channel 4's on-demand platform, ready for viewers to enjoy.

Like most films from the British filmmaker, it's advisable to watch without any background knowledge. However, we'll give new viewers a brief story outline.

Released in 2000, the thriller centres on Leonard (portrayed by Guy Pearce), a man searching for his wife's killer, reports the Mirror .

But the quest proves nearly impossible as Leonard has a rare form of amnesia. Whilst he retains memories from before the incident that caused his condition, the protagonist cannot form new memories. READ MORE: Strictly Come Dancing's Vito Coppola defended by c

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