Space: 1999 Season 1 Episode 19
Ring Around the Moon
A technician falls under an alien influence, accessing classified information before mysteriously dying. Soon after, the Moon is stopped in space by the powerful rays of an alien spacecraft. The aliens' only interest in Alpha is the data held in its computers, information they now plan to obtain through the possessed eyes of their next agent: Helena Russell.
- 1 - 24The Last EnemyFeb. 19, 1976
- 1 - 23The Testament of ArkadiaFeb. 12, 1976
- 1 - 22The Troubled SpiritFeb. 05, 1976
- 1 - 21Space BrainJan. 29, 1976
- 1 - 20Missing LinkJan. 22, 1976
- 1 - 19Ring Around the MoonJan. 15, 1976
- 1 - 18The Infernal MachineJan. 08, 1976
- 1 - 17The Last SunsetJan. 01, 1976
- 1 - 16Another Time, Another PlaceDec. 18, 1975
- 1 - 15The Full CircleDec. 11, 1975
- 1 - 14EarthboundDec. 04, 1975
- 1 - 13Matter of Life and DeathNov. 27, 1975
- 1 - 12End of EternityNov. 20, 1975
- 1 - 11Guardian of PiriNov. 13, 1975
- 1 - 10Black SunNov. 06, 1975
- 1 - 9Mission of the DariansOct. 30, 1975
- 1 - 8Dragon's DomainOct. 23, 1975
- 1 - 7Alpha ChildOct. 16, 1975
- 1 - 6Voyager's ReturnOct. 09, 1975
- 1 - 5Death's Other DominionOct. 02, 1975
- 1 - 4War GamesSep. 25, 1975
- 1 - 3Collision CourseSep. 18, 1975
- 1 - 2Force of LifeSep. 11, 1975
- 1 - 1BreakawaySep. 04, 1975