Jon Stewart dropped by the CBS “Late Show” set on Wednesday, and things got messy in a hurry.
The concert raises money for autism programs, and in the past 12 years, has brought in $24 million. The event is also fundraising via a raffle and one of the prizes is the opportunity to join Stewart beneath Colbert’s desk during a “Late Show” taping.
Check it out above, then visit the “Night Of Too Many Stars” website for more information.
This article originally appeared on HuffPost.