I, Claudius - Season 1 - Eps 4: Poison is Queen
The Imperial Army on the Rhine has been wiped out and Tiberius sent to avenge the defeat, followed later by Germanicus. Livia has discredited Postumus, who has been banished. Augustus has been feeling unwell, but is avoiding suspicions of poisoning by eating figs from his own garden.
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