“The Android Invasion” is an adventure of the thirteenth season of “Doctor Who” classic series, which aired in 1975 featuring the Fourth Doctor and Sarah Jane Smith. It follows “Pyramids of Mars” and it’s a four parts adventure written by Terry Nation and directed by Barry Letts.

“Invasion of the Dinosaurs” is an adventure of the eleventh season of “Doctor Who” classic series, which aired in 1974 featuring the Third Doctor and Sarah Jane Smith. It follows “The Time Warrior” and it’s a six parts adventure written by Malcolm Hulke and directed by Paddy Russell.

“Terror of the Autons” is the first adventure of the eighth season of “Doctor Who” classic series, which aired in 1971 featuring the Third Doctor, Jo Grant and Brigadier Lethbridge-Stewart. It follows “Inferno” and it’s a four parts adventure written by Robert Holmes and directed by Barry Letts.

“Spearhead from Space” is the first adventure of the seventh season of “Doctor Who” classic series, which aired in 1970 featuring the Third Doctor, Liz Shaw and Brigadier Lethbridge-Stewart. It follows “The War Games” and it’s a four parts adventure written by Robert Holmes and directed by Derek Martinus.

“The War Games” is the last adventure of the sixth season of “Doctor Who” classic series, which aired between april and june 1969 featuring the Second Doctor, Jamie and Zoe. It’s a ten parts adventure written by Malcolm Hulke and Terrance Dicks and directed by David Maloney.