In *Doctor Who* Series 5, which 2010 episode features the Pandorica and ends with its opening?

“The Pandorica Opens” is the *Doctor Who* Series 5 episode centered on the mysterious Pandorica. It was written by Steven Moffat and first broadcast in 2010 as the penultimate story of the series.

The Pandorica is presented as an ancient prison containing an unknown threat. As the Doctor and Amy Pond investigate, fleets and enemies gather around Stonehenge, creating one of the series’ largest cliff-hangers.

The episode ends by revealing that the Pandorica has opened, while the wider story continues in “The Big Bang.” This two-part finale uses the name “Pandorica” as a deliberate allusion to Pandora’s mythic container.

“The Big Bang” is the concluding episode, while “The Eleventh Hour” introduces Matt Smith’s Eleventh Doctor. “Flesh and Stone” appears earlier in the same series and is unrelated to the Pandorica’s opening.