Gilmore Girls was on the air for seven seasons – and over the course of the series, plenty of celebrities guest starred on the show.

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Scroll down to see 10 stars you may have forgotten were in some of the episodes.

Adam Brody (Dave Rygalski)

adam brody
Warner Bros. Television

Billy Burke (Alex Lesman)

billy burke
Warner Bros. Television

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Chad Michael Murray (Tristin Dugray)

chad michael murray
Warner Bros. Television

Jane Lynch (Nurse)

jane lynch
Warner Bros. Television

RELATED: 'Gilmore Girls' Star Alexis Bledel Is Pregnant

Jon Hamm (Peyton Sanders)

jon hamm
Warner Bros. Television

Krysten Ritter (Lucy)

krysten ritter

Max Greenfield (Lucas)

max green
Warner Bros. Television

RELATED: A 'Gilmore Girls' Revival is in the Works – Get the Deets!

Nick Offerman (Beau Belleville)

nick offerman
Warner Bros. Television

Seth MacFarlane (Bob Merriam)

seth macfarlene
Warner Bros. Television

Victoria Justice (Sandy)

victoria justice
Warner Bros. Television