Couples, families, and dance, fantasy and science fiction fans all have something to look forward to this weekend. Opening today are the following movies:

• Definitely, Maybe – Ryan Reynolds, Isla Fisher, Rachel Weisz, Elizabeth Banks, Abigail Breslin, Kevin Kline. [Romance]
• Jumper – Hayden Christensen, Samuel L. Jackson. [Science Fiction]
• The Spiderwick Chronicles. Mary-Louise Parker, Nick Nolte, Andrew McCarthy, Seth Rogen, Martin Short. [Fantasy/ Family]
• Step Up 2 the Streets. [Dance/ Musical]

See our sister site MovieCrunch for more details.