The 35-year-old is alleged to have conspired with another woman to rape a one-year-old girl, Cardiff magistrates heard.
He also stands accused of two incidents of conspiring to engage in sexual touching with two young children.
The conspiracy charges related to a period between May 1 and Monday, while the indecent images related to a period between August 12 and Monday.
More top news
Sophie Lionnet’s devastated parents say the killers “do not deserve to live”.
The legal battle began in 2011.
The debate during eight weeks of campaigning has been divisive and the result should be known on Saturday.