This site is safe. Although you need to get an invite to enter and create an account. Its a nice place to watch old Nickelodeon shows on an online stream for free. The owners are nice and keep in touch with the users. They make sure to keep the site clean and opperational. No cookies, malware, spyware, anything to infect the computer. This website is completely safe.
Although the rating is "OK" the site has links to malicious files. I picked up a few Trojans from it, so I would not recomend going to the site.