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- I ara que, Xènia (TV3, 1993) 10 episodes of 45 minutes. Xènia es en executive who wants to be a show star. Catalan.
- Impares (Antena 3/Antena Neox, 2008-2010) 71 episodes. Comedy about a relationship agency on Internet.
- Imperium (Antena 3, 2012) Historical series starring Roman consul Galba.
- Infidels (TV3 2009-2011) 42 episodes of 60 minutes. Drama about a group of women. Catalan.
- Inocentes (Telecinco, 2010) Miniseries of 2 episodes. Three teenage girls are abducted.
- El inquilino (Antena 3, 2004) 13 episodes of 55 minutos. Comedy about an extraterrestrial left on Earth by mistake.
- Inquilinos (Canal Nou, 1996-1997) 52 episodes of 30 minutes. Comedy about a house where live an aristocrat, a ghost and a group of young people.
- El internado (Antena 3, 2007-2010) 71 episodes of 75 minutes. Mystery series set in a boarding school.
- La ira (Telecinco, 2009) Miniseries of 2 episodes of 90 minutes. Horror series about a young woman and a murderer.
- Isabel (La 1, 2012 – present) Series based upon the reign of Queen Isabella I of Castile.
- La isla de los nominados (Cuatro, 2010) Gag series about of a group of celebrities trapped in a Survivor-like TV show.
Read more about this topic: List Of Spanish Television Series