Billionaire Bill Gates is to guest star in an episode of sitcom phenomenon The Big Bang Theory

Entertainment trade website Deadline reports that the Microsoft founder will guest star as himself in an episode which will air in the US next month.

In the episode, the philanthropist makes a visit to Penny's (Kaley Cuoco) workplace - and the Big Bang boys will do anything to meet him.

Gates also appeared as himself in Frasier in 2001.

We need your consent to load this YouTube contentWe use YouTube to manage extra content that can set cookies on your device and collect data about your activity. Please review their details and accept them to load the content.Manage Preferences

The Big Bang Theory, Thursdays, RTÉ2, 7:00pm