Slater on Saved by the Bell, whom he also portrayed as a regular on Saved by the Bell: The College Years.He has also hosted America's Best Dance Crew for MTV.In March 1987, he was cast as a guest star on the sitcom The Golden Girls as a Latino boy named Mario who faces deportation. Slater in the television sitcom Saved by the Bell, a role which lasted five years.He was cast in a small part in the movie Colors (1988) as Felipe's friend. In 1997, Lopez starred as Olympic diver Greg Louganis in the television movie Breaking the Surface: The Greg Louganis Story.
He graduated from Chula Vista High School in 1991, where he wrestled for Chula Vista at the weight class of 160 lbs placing 2nd in the San Diego Section and 7th in the state of California in 1991 as well.
The following year, he was cast as Bobby Cruz in the USA Network series Pacific Blue.
Lopez left the series after two seasons and went on to guest star on Resurrection Blvd., Eve, and The Bad Girl's Guide.
From October to December 2012, he co-hosted the Fox singing competition The X Factor along with Khloe Kardashian.
Starting in 2012 Mario Lopez began hosting his own Nationally Syndicated Radio Show 'ON With Mario Lopez' for Premiere Radio.
when things aren't meant to last; rent don't buy,' he said, keeping in character.