Californication - Episode 2.07

Hank and Karen meet with Mrs. Patterson, one of Becca's teachers. The latter isn't worried about Becca's Satanist phase and thinks that it may be a reaction to what ever is going on between Hank and Karen. After the meeting, recently divorced Mrs. Patterson flirts with Hank. They end up between the sheets while her ex-husband watches from outside. Later, Hank discovers that Patterson is not only one of Becca's teacher but also the mother of Becca's boyfriend. Things turn ugly when Becca learns that her father slept with her teacher. Marcy, Daisy and Charlie also appears.

Source: SpoilerFix