I, Claudius - Season 1 - Eps 6: Queen of Heaven
Germanicus has been murdered in Antioch and his wife Agrippina is convinced Tiberius ordered the killing. Livia has discovered that Caligula helped to poison his father. While Tiberius's perversions have become notorious, his right-hand man Sejanus, commander of the Praetorian Guard, gathers more power for himself, including a marriage alliance with Claudius.
About I, Claudius

Title: I, Claudius
First Air Date: 1976-09-20
Last Air Date: 1976-12-06
Status: Ended
Rating: 7.8/10 (from 116 votes)
Language: EN
Seasons: 2
Total Episodes: 12
Network: BBC Two
Genres: Drama, War & Politics
Production Companies: London Films Productions, BBC
Synopsis
Acclaimed blackly comic historical drama series. Set amidst a web of power, corruption and lies, it chronicles the reigns of the Roman emperors - Augustus, Tiberius, Caligula and finally Claudius.
Cast

Derek Jacobi
Claudius

Siân Phillips
Livia Drusilla

Margaret Tyzack
Antonia

Brian Blessed
Augustus

James Faulkner
Herod Agrippa

Fiona Walker
Agrippina

Kevin McNally
Castor

Bernard Hepton
Pallas

Sheila White
Messalina

John Cater
Narcissus