Transformers: Generation 1 - Decepticon Raider in King Arthur's Court- S02 E22 - 1985

Decepticon Raider in King Arthur's Court | Transformers: G1 | Season 2 | E22 |
The discovery of a mysterious time transporter sends Spike and the Transformers to medieval times, where Starscream plots to take over the home of a knight named Sir Aethling the Red. With the help of their new friends in the past, Spike and the Autobots defeat the Decepticons and take them back to their own time with them.