1x50 - Delete

1x51 - Episode 51

1x52 - Episode 52

1x53 - Episode 53

1x54 - Episode 54

1x55 - Episode 55

1x56 - Episode 56

1x57 - Episode 57

1x58 - Episode 58

1x59 - Episode 59

1x60 - Episode 60

1x61 - Episode 61

1x62 - Episode 62

1x63 - Episode 63

1x64 - Episode 64

1x65 - Episode 65

1x66 - Episode 66

The many star-forming areas of our galaxy are obscured by interstellar dust, but Herschel, a new space telescope, can see these areas in infrared light. Sir Patrick Moore is joined by Professor Derek Ward-Thompson and Dr Chris North to examine the latest stunning images from Herschel.

1x67 - Episode 67

1x68 - Episode 68

1x69 - Episode 69

1x70 - Episode 70

1x71 - Episode 71

1x72 - Episode 72

1x73 - Episode 73

1x74 - Episode 74

1x75 - Episode 75

1x76 - Episode 76

1x77 - Episode 77

1x78 - Episode 78

1x79 - Episode 79

1x80 - Episode 80

July 4th 2005 a small copper impactor from the NASA Deep Impact spacecraft was released in the path of Comet Tempel 1, causing a collision that released fresh ice and dust, allowing astronomers for the first time to study pristine material from the formation of our solar system. Sir Patrick Moore is joined by leading comet experts who describe the science and importance of this historic achievement. While co-host Chris Lintott interviews British astronomer Richard Ellis at Palomar Mountain, California who is in charge of the observatory where professional astronomers using the historic Hale 200-inch telescope, and a team of amateur astronomers including Scott Roberts, Tony Cook, Russ and Stephanie Tanton, Dan Dickerson, John Downs, Mike West, and others who visually and photographically witnessed the actual point of impact.

1x81 - Episode 81

1x82 - Episode 82

1x83 - Episode 83

1x84 - Episode 84

1x85 - Episode 85

1x86 - Episode 86

1x87 - Episode 87

February 6, 2006

1x88 - Episode 88

August 1, 1969

1x89 - Episode 89

September 1, 1997

1x90 - Episode 90

August 11, 1999

1x92 - Episode 92

August 1, 2002

1x93 - Episode 93

December 1, 2002

1x94 - Episode 94

August 1, 2003

1x95 - Episode 95

October 1, 2004

1x96 - Episode 96

January 8, 2007

1x97 - Episode 97

May 6, 2007

1x98 - Episode 98

February 8, 1981

1x99 - Delete

Sir Patrick Moore celebrates the 700th episode of The Sky at Night at his home in Sussex, with the help of special guests Professor Brian Cox, impressionist and amateur astronomer Jon Culshaw and Lord Martin Rees, the Astronomer Royal. A stellar panel of astronomers gathers to answer vexing questions from the viewers, while Sir Patrick has a close encounter with his younger self.