assassin

Meaning: A person who kills someone, often for political or money reasons.

Examples:

1. The series is about an assassin and a detective.
2. The assassin escaped before anyone saw him.

detective

Meaning: A police officer whose job is to find out who committed a crime.

Examples:

1. The detective follows clues to solve the case.
2. She plays a detective in the TV series.

officer

Meaning: A person who works in the police or armed forces.

Examples:

1. The officer chased the suspect through the city.
2. He’s an officer who works with detectives.

episodes

Meaning: One part of a television or radio series that is shown or broadcast each time.

Examples:

1. Each season has fewer than ten episodes.
2. I watched three episodes of the new show last night.

series

Meaning: A set of television or radio programs with the same characters or topic.

Examples:

1. “Killing Eve” is one of my favorite TV series.
2. The series has three exciting seasons.